http://git-wip-us.apache.org/repos/asf/zeppelin/blob/0d746fa2/zeppelin-integration/src/test/java/org/apache/zeppelin/integration/InterpreterModeActionsIT.java
----------------------------------------------------------------------
diff --git 
a/zeppelin-integration/src/test/java/org/apache/zeppelin/integration/InterpreterModeActionsIT.java
 
b/zeppelin-integration/src/test/java/org/apache/zeppelin/integration/InterpreterModeActionsIT.java
index cf3f796..1f18a65 100644
--- 
a/zeppelin-integration/src/test/java/org/apache/zeppelin/integration/InterpreterModeActionsIT.java
+++ 
b/zeppelin-integration/src/test/java/org/apache/zeppelin/integration/InterpreterModeActionsIT.java
@@ -16,17 +16,10 @@
  */
 package org.apache.zeppelin.integration;
 
-import static org.junit.Assert.assertTrue;
-
-import java.io.File;
-import java.io.IOException;
-import java.net.URI;
-import java.net.URISyntaxException;
-import org.apache.commons.io.FileUtils;
 import org.apache.commons.lang.StringUtils;
-import org.apache.zeppelin.AbstractZeppelinIT;
 import org.apache.zeppelin.CommandExecutor;
 import org.apache.zeppelin.ProcessData;
+import org.apache.zeppelin.AbstractZeppelinIT;
 import org.apache.zeppelin.WebDriverManager;
 import org.apache.zeppelin.ZeppelinITUtils;
 import org.apache.zeppelin.conf.ZeppelinConfiguration;
@@ -37,53 +30,59 @@ import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.ErrorCollector;
 import org.openqa.selenium.By;
-import org.openqa.selenium.JavascriptExecutor;
-import org.openqa.selenium.TimeoutException;
 import org.openqa.selenium.WebElement;
-import org.openqa.selenium.support.ui.ExpectedConditions;
 import org.openqa.selenium.support.ui.WebDriverWait;
+import org.openqa.selenium.JavascriptExecutor;
+import org.openqa.selenium.support.ui.ExpectedConditions;
+import org.openqa.selenium.TimeoutException;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import org.apache.commons.io.FileUtils;
+import java.io.File;
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.List;
+
+import static org.junit.Assert.assertTrue;
+
 public class InterpreterModeActionsIT extends AbstractZeppelinIT {
   private static final Logger LOG = 
LoggerFactory.getLogger(InterpreterModeActionsIT.class);
 
-  @Rule public ErrorCollector collector = new ErrorCollector();
+  @Rule
+  public ErrorCollector collector = new ErrorCollector();
   static String shiroPath;
-  static String authShiro =
-      "[users]\n"
-          + "admin = password1, admin\n"
-          + "user1 = password2, admin\n"
-          + "user2 = password3, admin\n"
-          + "[main]\n"
-          + "sessionManager = 
org.apache.shiro.web.session.mgt.DefaultWebSessionManager\n"
-          + "securityManager.sessionManager = $sessionManager\n"
-          + "securityManager.sessionManager.globalSessionTimeout = 86400000\n"
-          + "shiro.loginUrl = /api/login\n"
-          + "[roles]\n"
-          + "admin = *\n"
-          + "[urls]\n"
-          + "/api/version = anon\n"
-          + "/** = authc";
+  static String authShiro = "[users]\n" +
+      "admin = password1, admin\n" +
+      "user1 = password2, admin\n" +
+      "user2 = password3, admin\n" +
+      "[main]\n" +
+      "sessionManager = 
org.apache.shiro.web.session.mgt.DefaultWebSessionManager\n" +
+      "securityManager.sessionManager = $sessionManager\n" +
+      "securityManager.sessionManager.globalSessionTimeout = 86400000\n" +
+      "shiro.loginUrl = /api/login\n" +
+      "[roles]\n" +
+      "admin = *\n" +
+      "[urls]\n" +
+      "/api/version = anon\n" +
+      "/** = authc";
 
   static String originalShiro = "";
   static String interpreterOptionPath = "";
   static String originalInterpreterOption = "";
 
   static String cmdPsPython = "ps aux | grep 'zeppelin_ipython' | grep -v 
'grep' | wc -l";
-  static String cmdPsInterpreter =
-      "ps aux | grep 'zeppelin/interpreter/python/*' |" + " sed -E 
'/grep|local-repo/d' | wc -l";
+  static String cmdPsInterpreter = "ps aux | grep 
'zeppelin/interpreter/python/*' |" +
+      " sed -E '/grep|local-repo/d' | wc -l";
 
   @BeforeClass
   public static void startUp() {
     try {
-      System.setProperty(
-          ZeppelinConfiguration.ConfVars.ZEPPELIN_HOME.getVarName(),
-          new File("../").getAbsolutePath());
+      
System.setProperty(ZeppelinConfiguration.ConfVars.ZEPPELIN_HOME.getVarName(), 
new File("../").getAbsolutePath());
       ZeppelinConfiguration conf = ZeppelinConfiguration.create();
       shiroPath = conf.getRelativeDir(String.format("%s/shiro.ini", 
conf.getConfDir()));
-      interpreterOptionPath =
-          conf.getRelativeDir(String.format("%s/interpreter.json", 
conf.getConfDir()));
+      interpreterOptionPath = 
conf.getRelativeDir(String.format("%s/interpreter.json", conf.getConfDir()));
       File shiroFile = new File(shiroPath);
       if (shiroFile.exists()) {
         originalShiro = StringUtils.join(FileUtils.readLines(shiroFile, 
"UTF-8"), "\n");
@@ -92,8 +91,7 @@ public class InterpreterModeActionsIT extends 
AbstractZeppelinIT {
 
       File interpreterOptionFile = new File(interpreterOptionPath);
       if (interpreterOptionFile.exists()) {
-        originalInterpreterOption =
-            StringUtils.join(FileUtils.readLines(interpreterOptionFile, 
"UTF-8"), "\n");
+        originalInterpreterOption = 
StringUtils.join(FileUtils.readLines(interpreterOptionFile, "UTF-8"), "\n");
       }
     } catch (IOException e) {
       LOG.error("Error in InterpreterModeActionsIT startUp::", e);
@@ -129,44 +127,28 @@ public class InterpreterModeActionsIT extends 
AbstractZeppelinIT {
   }
 
   private void authenticationUser(String userName, String password) {
-    pollingWait(
-            By.xpath("//div[contains(@class, 
'navbar-collapse')]//li//button[contains(.,'Login')]"),
-            MAX_BROWSER_TIMEOUT_SEC)
-        .click();
+    pollingWait(By.xpath(
+        "//div[contains(@class, 
'navbar-collapse')]//li//button[contains(.,'Login')]"),
+        MAX_BROWSER_TIMEOUT_SEC).click();
     ZeppelinITUtils.sleep(500, false);
     pollingWait(By.xpath("//*[@id='userName']"), 
MAX_BROWSER_TIMEOUT_SEC).sendKeys(userName);
     pollingWait(By.xpath("//*[@id='password']"), 
MAX_BROWSER_TIMEOUT_SEC).sendKeys(password);
-    pollingWait(
-            
By.xpath("//*[@id='loginModalContent']//button[contains(.,'Login')]"),
-            MAX_BROWSER_TIMEOUT_SEC)
-        .click();
+    
pollingWait(By.xpath("//*[@id='loginModalContent']//button[contains(.,'Login')]"),
+        MAX_BROWSER_TIMEOUT_SEC).click();
     ZeppelinITUtils.sleep(1000, false);
   }
 
   private void logoutUser(String userName) throws URISyntaxException {
     ZeppelinITUtils.sleep(500, false);
-    driver
-        .findElement(
-            By.xpath(
-                "//div[contains(@class, 'navbar-collapse')]//li[contains(.,'" 
+ userName + "')]"))
-        .click();
+    driver.findElement(By.xpath("//div[contains(@class, 
'navbar-collapse')]//li[contains(.,'" +
+        userName + "')]")).click();
     ZeppelinITUtils.sleep(500, false);
-    driver
-        .findElement(
-            By.xpath(
-                "//div[contains(@class, 'navbar-collapse')]//li[contains(.,'"
-                    + userName
-                    + "')]//a[@ng-click='navbar.logout()']"))
-        .click();
+    driver.findElement(By.xpath("//div[contains(@class, 
'navbar-collapse')]//li[contains(.,'" +
+        userName + "')]//a[@ng-click='navbar.logout()']")).click();
     ZeppelinITUtils.sleep(2000, false);
-    if (driver
-        .findElement(
-            By.xpath("//*[@id='loginModal']//div[contains(@class, 
'modal-header')]/button"))
+    if 
(driver.findElement(By.xpath("//*[@id='loginModal']//div[contains(@class, 
'modal-header')]/button"))
         .isDisplayed()) {
-      driver
-          .findElement(
-              By.xpath("//*[@id='loginModal']//div[contains(@class, 
'modal-header')]/button"))
-          .click();
+      driver.findElement(By.xpath("//*[@id='loginModal']//div[contains(@class, 
'modal-header')]/button")).click();
     }
     driver.get(new URI(driver.getCurrentUrl()).resolve("/#/").toString());
     ZeppelinITUtils.sleep(500, false);
@@ -179,105 +161,76 @@ public class InterpreterModeActionsIT extends 
AbstractZeppelinIT {
       waitForParagraph(num, "FINISHED");
     } catch (TimeoutException e) {
       waitForParagraph(num, "ERROR");
-      collector.checkThat(
-          "Exception in InterpreterModeActionsIT while setPythonParagraph",
-          "ERROR",
-          CoreMatchers.equalTo("FINISHED"));
+      collector.checkThat("Exception in InterpreterModeActionsIT while 
setPythonParagraph",
+          "ERROR", CoreMatchers.equalTo("FINISHED"));
     }
   }
 
   @Test
   public void testGloballyAction() throws Exception {
     try {
-      // step 1: (admin) login, set 'globally in shared' mode of python 
interpreter, logout
+      //step 1: (admin) login, set 'globally in shared' mode of python 
interpreter, logout
       InterpreterModeActionsIT interpreterModeActionsIT = new 
InterpreterModeActionsIT();
       interpreterModeActionsIT.authenticationUser("admin", "password1");
-      pollingWait(
-              By.xpath("//div/button[contains(@class, 'nav-btn dropdown-toggle 
ng-scope')]"),
-              MAX_BROWSER_TIMEOUT_SEC)
-          .click();
+      pollingWait(By.xpath("//div/button[contains(@class, 'nav-btn 
dropdown-toggle ng-scope')]"),
+          MAX_BROWSER_TIMEOUT_SEC).click();
       clickAndWait(By.xpath("//li/a[contains(@href, '#/interpreter')]"));
-      pollingWait(
-              By.xpath("//input[contains(@ng-model, 'searchInterpreter')]"),
-              MAX_BROWSER_TIMEOUT_SEC)
-          .sendKeys("python");
+      pollingWait(By.xpath("//input[contains(@ng-model, 
'searchInterpreter')]"),
+          MAX_BROWSER_TIMEOUT_SEC).sendKeys("python");
       ZeppelinITUtils.sleep(500, false);
-      clickAndWait(
-          By.xpath(
-              "//div[contains(@id, 'python')]//button[contains(@ng-click, 
'valueform.$show();\n"
-                  + "                  
copyOriginInterpreterSettingProperties(setting.id)')]"));
+      clickAndWait(By.xpath("//div[contains(@id, 
'python')]//button[contains(@ng-click, 'valueform.$show();\n" +
+          "                  
copyOriginInterpreterSettingProperties(setting.id)')]"));
       clickAndWait(By.xpath("//div[contains(@id, 
'python')]/div[2]/div/div/div[1]/span[1]/button"));
       clickAndWait(By.xpath("//div[contains(@id, 
'python')]//li/a[contains(.,'Globally')]"));
-      JavascriptExecutor jse = (JavascriptExecutor) driver;
+      JavascriptExecutor jse = (JavascriptExecutor)driver;
       jse.executeScript("window.scrollBy(0,250)", "");
       ZeppelinITUtils.sleep(500, false);
-      clickAndWait(
-          By.xpath("//div[contains(@id, 
'python')]//div/form/button[contains(@type, 'submit')]"));
-      clickAndWait(
-          By.xpath(
-              
"//div[@class='modal-dialog']//div[@class='bootstrap-dialog-footer-buttons']//button[contains(.,
 'OK')]"));
+      clickAndWait(By.xpath("//div[contains(@id, 
'python')]//div/form/button[contains(@type, 'submit')]"));
+      clickAndWait(By.xpath(
+          
"//div[@class='modal-dialog']//div[@class='bootstrap-dialog-footer-buttons']//button[contains(.,
 'OK')]"));
       clickAndWait(By.xpath("//a[@class='navbar-brand 
navbar-title'][contains(@href, '#/')]"));
       interpreterModeActionsIT.logoutUser("admin");
-      // step 2: (user1) login, create a new note, run two paragraph with 
'python', check result,
-      // check process, logout
-      // paragraph: Check if the result is 'user1' in the second paragraph
-      // System: Check if the number of python interpreter process is '1'
-      // System: Check if the number of python process is '1'
+      //step 2: (user1) login, create a new note, run two paragraph with 
'python', check result, check process, logout
+      //paragraph: Check if the result is 'user1' in the second paragraph
+      //System: Check if the number of python interpreter process is '1'
+      //System: Check if the number of python process is '1'
       interpreterModeActionsIT.authenticationUser("user1", "password2");
-      By locator =
-          By.xpath(
-              "//div[contains(@class, 'col-md-4')]/div/h5/a[contains(.,'Create 
new" + " note')]");
-      WebElement element =
-          (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
-              .until(ExpectedConditions.visibilityOfElementLocated(locator));
+      By locator = By.xpath("//div[contains(@class, 
'col-md-4')]/div/h5/a[contains(.,'Create new" +
+          " note')]");
+      WebElement element = (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
+          .until(ExpectedConditions.visibilityOfElementLocated(locator));
       if (element.isDisplayed()) {
         createNewNote();
       }
-      String user1noteId =
-          
driver.getCurrentUrl().substring(driver.getCurrentUrl().lastIndexOf("/") + 1);
+      String user1noteId = 
driver.getCurrentUrl().substring(driver.getCurrentUrl().lastIndexOf("/") + 1);
       waitForParagraph(1, "READY");
       interpreterModeActionsIT.setPythonParagraph(1, "user=\"user1\"");
       waitForParagraph(2, "READY");
       interpreterModeActionsIT.setPythonParagraph(2, "print user");
-      collector.checkThat(
-          "The output field paragraph contains",
-          driver
-              .findElement(
-                  By.xpath(
-                      getParagraphXPath(2) + "//div[contains(@class, 'text 
plainTextContent')]"))
-              .getText(),
+      collector.checkThat("The output field paragraph contains",
+          driver.findElement(By.xpath(
+              getParagraphXPath(2) + "//div[contains(@class, 'text 
plainTextContent')]")).getText(),
           CoreMatchers.equalTo("user1"));
-      String resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsPython, false, ProcessData.Types_Of_Data.OUTPUT);
+      String resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsPython,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("1"));
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsInterpreter, false, ProcessData.Types_Of_Data.OUTPUT);
+      collector.checkThat("The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("1"));
+      resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsInterpreter,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python interpreter process is",
-          resultProcessNum,
-          CoreMatchers.equalTo("1"));
+      collector.checkThat("The number of python interpreter process is", 
resultProcessNum, CoreMatchers.equalTo("1"));
 
       interpreterModeActionsIT.logoutUser("user1");
 
-      // step 3: (user2) login, create a new note, run two paragraph with 
'python', check result,
-      // check process, logout
-      // paragraph: Check if the result is 'user2' in the second paragraph
-      // System: Check if the number of python interpreter process is '1'
-      // System: Check if the number of python process is '1'
+      //step 3: (user2) login, create a new note, run two paragraph with 
'python', check result, check process, logout
+      //paragraph: Check if the result is 'user2' in the second paragraph
+      //System: Check if the number of python interpreter process is '1'
+      //System: Check if the number of python process is '1'
       interpreterModeActionsIT.authenticationUser("user2", "password3");
-      locator =
-          By.xpath(
-              "//div[contains(@class, 'col-md-4')]/div/h5/a[contains(.,'Create 
new" + " note')]");
-      element =
-          (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
-              .until(ExpectedConditions.visibilityOfElementLocated(locator));
+      locator = By.xpath("//div[contains(@class, 
'col-md-4')]/div/h5/a[contains(.,'Create new" +
+          " note')]");
+      element = (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
+          .until(ExpectedConditions.visibilityOfElementLocated(locator));
       if (element.isDisplayed()) {
         createNewNote();
       }
@@ -285,48 +238,32 @@ public class InterpreterModeActionsIT extends 
AbstractZeppelinIT {
       interpreterModeActionsIT.setPythonParagraph(1, "user=\"user2\"");
       waitForParagraph(2, "READY");
       interpreterModeActionsIT.setPythonParagraph(2, "print user");
-      collector.checkThat(
-          "The output field paragraph contains",
-          driver
-              .findElement(
-                  By.xpath(
-                      getParagraphXPath(2) + "//div[contains(@class, 'text 
plainTextContent')]"))
-              .getText(),
+      collector.checkThat("The output field paragraph contains",
+          driver.findElement(By.xpath(
+              getParagraphXPath(2) + "//div[contains(@class, 'text 
plainTextContent')]")).getText(),
           CoreMatchers.equalTo("user2"));
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsPython, false, ProcessData.Types_Of_Data.OUTPUT);
+      resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsPython,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("1"));
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsInterpreter, false, ProcessData.Types_Of_Data.OUTPUT);
+      collector.checkThat("The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("1"));
+      resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsInterpreter,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python interpreter process is",
-          resultProcessNum,
-          CoreMatchers.equalTo("1"));
+      collector.checkThat("The number of python interpreter process is", 
resultProcessNum, CoreMatchers.equalTo("1"));
       interpreterModeActionsIT.logoutUser("user2");
 
-      // step 4: (user1) login, come back note user1 made, run second 
paragraph, check result, check
-      // process,
-      // restart python interpreter, check process again, logout
-      // paragraph: Check if the result is 'user2' in the second paragraph
-      // System: Check if the number of python interpreter process is '1'
-      // System: Check if the number of python process is '1'
+      //step 4: (user1) login, come back note user1 made, run second 
paragraph, check result, check process,
+      //restart python interpreter, check process again, logout
+      //paragraph: Check if the result is 'user2' in the second paragraph
+      //System: Check if the number of python interpreter process is '1'
+      //System: Check if the number of python process is '1'
       interpreterModeActionsIT.authenticationUser("user1", "password2");
       locator = By.xpath("//*[@id='notebook-names']//a[contains(@href, '" + 
user1noteId + "')]");
-      element =
-          (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
-              .until(ExpectedConditions.visibilityOfElementLocated(locator));
+      element = (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
+          .until(ExpectedConditions.visibilityOfElementLocated(locator));
       if (element.isDisplayed()) {
-        pollingWait(
-                By.xpath("//*[@id='notebook-names']//a[contains(@href, '" + 
user1noteId + "')]"),
-                MAX_BROWSER_TIMEOUT_SEC)
-            .click();
+        pollingWait(By.xpath("//*[@id='notebook-names']//a[contains(@href, '" 
+ user1noteId + "')]"),
+            MAX_BROWSER_TIMEOUT_SEC).click();
       }
       waitForParagraph(2, "FINISHED");
       runParagraph(2);
@@ -334,74 +271,44 @@ public class InterpreterModeActionsIT extends 
AbstractZeppelinIT {
         waitForParagraph(2, "FINISHED");
       } catch (TimeoutException e) {
         waitForParagraph(2, "ERROR");
-        collector.checkThat(
-            "Exception in InterpreterModeActionsIT while running Python 
Paragraph",
-            "ERROR",
-            CoreMatchers.equalTo("FINISHED"));
-      }
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsPython, false, ProcessData.Types_Of_Data.OUTPUT);
-      resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("1"));
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsInterpreter, false, ProcessData.Types_Of_Data.OUTPUT);
-      resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python interpreter process is",
-          resultProcessNum,
-          CoreMatchers.equalTo("1"));
-
-      clickAndWait(
-          By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]"));
-      clickAndWait(
-          By.xpath(
-              "//div[@data-ng-repeat='item in interpreterBindings' and 
contains(., 'python')]//a"));
-      clickAndWait(
-          By.xpath(
-              "//div[@class='modal-dialog']"
-                  + "[contains(.,'Do you want to restart python 
interpreter?')]"
-                  + 
"//div[@class='bootstrap-dialog-footer-buttons']//button[contains(., 'OK')]"));
-      locator =
-          By.xpath(
-              "//div[@class='modal-dialog'][contains(.,'Do you want to restart 
python interpreter?')]");
-      LOG.info(
-          "Holding on until if interpreter restart dialog is disappeared or 
not testGloballyAction");
-      boolean invisibilityStatus =
-          (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
-              .until(ExpectedConditions.invisibilityOfElementLocated(locator));
+        collector.checkThat("Exception in InterpreterModeActionsIT while 
running Python Paragraph",
+            "ERROR", CoreMatchers.equalTo("FINISHED"));
+      }
+      resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsPython,
+          false, ProcessData.Types_Of_Data.OUTPUT);
+      resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
+      collector.checkThat("The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("1"));
+      resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsInterpreter,
+          false, ProcessData.Types_Of_Data.OUTPUT);
+      resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
+      collector.checkThat("The number of python interpreter process is", 
resultProcessNum, CoreMatchers.equalTo("1"));
+
+      clickAndWait(By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]"));
+      clickAndWait(By.xpath("//div[@data-ng-repeat='item in 
interpreterBindings' and contains(., 'python')]//a"));
+      clickAndWait(By.xpath("//div[@class='modal-dialog']" +
+          "[contains(.,'Do you want to restart python interpreter?')]" +
+          "//div[@class='bootstrap-dialog-footer-buttons']//button[contains(., 
'OK')]"));
+      locator = By.xpath("//div[@class='modal-dialog'][contains(.,'Do you want 
to restart python interpreter?')]");
+      LOG.info("Holding on until if interpreter restart dialog is disappeared 
or not testGloballyAction");
+      boolean invisibilityStatus = (new WebDriverWait(driver, 
MAX_BROWSER_TIMEOUT_SEC))
+          .until(ExpectedConditions.invisibilityOfElementLocated(locator));
       if (invisibilityStatus == false) {
         assertTrue("interpreter setting dialog visibility status", 
invisibilityStatus);
       }
-      locator =
-          By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]");
-      element =
-          (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
-              .until(ExpectedConditions.visibilityOfElementLocated(locator));
+      locator = By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]");
+      element = (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
+          .until(ExpectedConditions.visibilityOfElementLocated(locator));
       if (element.isDisplayed()) {
-        clickAndWait(
-            By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]"));
+        
clickAndWait(By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]"));
       }
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsPython, false, ProcessData.Types_Of_Data.OUTPUT);
+      resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsPython,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("0"));
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsInterpreter, false, ProcessData.Types_Of_Data.OUTPUT);
+      collector.checkThat("The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("0"));
+      resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsInterpreter,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python interpreter process is",
-          resultProcessNum,
-          CoreMatchers.equalTo("0"));
+      collector.checkThat("The number of python interpreter process is", 
resultProcessNum, CoreMatchers.equalTo("0"));
       interpreterModeActionsIT.logoutUser("user1");
     } catch (Exception e) {
       handleException("Exception in InterpreterModeActionsIT while 
testGloballyAction ", e);
@@ -411,302 +318,206 @@ public class InterpreterModeActionsIT extends 
AbstractZeppelinIT {
   @Test
   public void testPerUserScopedAction() throws Exception {
     try {
-      // step 1: (admin) login, set 'Per user in scoped' mode of python 
interpreter, logout
+      //step 1: (admin) login, set 'Per user in scoped' mode of python 
interpreter, logout
       InterpreterModeActionsIT interpreterModeActionsIT = new 
InterpreterModeActionsIT();
       interpreterModeActionsIT.authenticationUser("admin", "password1");
-      pollingWait(
-              By.xpath("//div/button[contains(@class, 'nav-btn dropdown-toggle 
ng-scope')]"),
-              MAX_BROWSER_TIMEOUT_SEC)
-          .click();
+      pollingWait(By.xpath("//div/button[contains(@class, 'nav-btn 
dropdown-toggle ng-scope')]"),
+          MAX_BROWSER_TIMEOUT_SEC).click();
 
       clickAndWait(By.xpath("//li/a[contains(@href, '#/interpreter')]"));
-      pollingWait(
-              By.xpath("//input[contains(@ng-model, 'searchInterpreter')]"),
-              MAX_BROWSER_TIMEOUT_SEC)
-          .sendKeys("python");
+      pollingWait(By.xpath("//input[contains(@ng-model, 
'searchInterpreter')]"),
+          MAX_BROWSER_TIMEOUT_SEC).sendKeys("python");
       ZeppelinITUtils.sleep(500, false);
 
-      clickAndWait(
-          By.xpath(
-              "//div[contains(@id, 'python')]//button[contains(@ng-click, 
'valueform.$show();\n"
-                  + "                  
copyOriginInterpreterSettingProperties(setting.id)')]"));
+      clickAndWait(By.xpath("//div[contains(@id, 
'python')]//button[contains(@ng-click, 'valueform.$show();\n" +
+          "                  
copyOriginInterpreterSettingProperties(setting.id)')]"));
       clickAndWait(By.xpath("//div[contains(@id, 
'python')]/div[2]/div/div/div[1]/span[1]/button"));
       clickAndWait(By.xpath("//div[contains(@id, 
'python')]//li/a[contains(.,'Per User')]"));
       clickAndWait(By.xpath("//div[contains(@id, 
'python')]/div[2]/div/div/div[1]/span[2]/button"));
       clickAndWait(By.xpath("//div[contains(@id, 
'python')]//li/a[contains(.,'scoped per user')]"));
 
-      JavascriptExecutor jse = (JavascriptExecutor) driver;
+      JavascriptExecutor jse = (JavascriptExecutor)driver;
       jse.executeScript("window.scrollBy(0,250)", "");
       ZeppelinITUtils.sleep(500, false);
-      clickAndWait(
-          By.xpath("//div[contains(@id, 
'python')]//div/form/button[contains(@type, 'submit')]"));
-      clickAndWait(
-          By.xpath(
-              
"//div[@class='modal-dialog']//div[@class='bootstrap-dialog-footer-buttons']//button[contains(.,
 'OK')]"));
+      clickAndWait(By.xpath("//div[contains(@id, 
'python')]//div/form/button[contains(@type, 'submit')]"));
+      clickAndWait(By.xpath(
+          
"//div[@class='modal-dialog']//div[@class='bootstrap-dialog-footer-buttons']//button[contains(.,
 'OK')]"));
       clickAndWait(By.xpath("//a[@class='navbar-brand 
navbar-title'][contains(@href, '#/')]"));
 
       interpreterModeActionsIT.logoutUser("admin");
 
-      // step 2: (user1) login, create a new note, run two paragraph with 
'python', check result,
-      // check process, logout
-      // paragraph: Check if the result is 'user1' in the second paragraph
-      // System: Check if the number of python interpreter process is '1'
-      // System: Check if the number of python process is '1'
+      //step 2: (user1) login, create a new note, run two paragraph with 
'python', check result, check process, logout
+      //paragraph: Check if the result is 'user1' in the second paragraph
+      //System: Check if the number of python interpreter process is '1'
+      //System: Check if the number of python process is '1'
       interpreterModeActionsIT.authenticationUser("user1", "password2");
-      By locator =
-          By.xpath(
-              "//div[contains(@class, 'col-md-4')]/div/h5/a[contains(.,'Create 
new" + " note')]");
-      WebElement element =
-          (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
-              .until(ExpectedConditions.visibilityOfElementLocated(locator));
+      By locator = By.xpath("//div[contains(@class, 
'col-md-4')]/div/h5/a[contains(.,'Create new" +
+          " note')]");
+      WebElement element = (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
+          .until(ExpectedConditions.visibilityOfElementLocated(locator));
       if (element.isDisplayed()) {
         createNewNote();
       }
-      String user1noteId =
-          
driver.getCurrentUrl().substring(driver.getCurrentUrl().lastIndexOf("/") + 1);
+      String user1noteId = 
driver.getCurrentUrl().substring(driver.getCurrentUrl().lastIndexOf("/") + 1);
 
       waitForParagraph(1, "READY");
       interpreterModeActionsIT.setPythonParagraph(1, "user=\"user1\"");
       waitForParagraph(2, "READY");
       interpreterModeActionsIT.setPythonParagraph(2, "print user");
 
-      collector.checkThat(
-          "The output field paragraph contains",
-          driver
-              .findElement(
-                  By.xpath(
-                      getParagraphXPath(2) + "//div[contains(@class, 'text 
plainTextContent')]"))
-              .getText(),
+      collector.checkThat("The output field paragraph contains",
+          driver.findElement(By.xpath(
+              getParagraphXPath(2) + "//div[contains(@class, 'text 
plainTextContent')]")).getText(),
           CoreMatchers.equalTo("user1"));
 
-      String resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsPython, false, ProcessData.Types_Of_Data.OUTPUT);
+      String resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsPython,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("1"));
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsInterpreter, false, ProcessData.Types_Of_Data.OUTPUT);
+      collector.checkThat("The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("1"));
+      resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsInterpreter,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python interpreter process is",
-          resultProcessNum,
-          CoreMatchers.equalTo("1"));
+      collector.checkThat("The number of python interpreter process is", 
resultProcessNum, CoreMatchers.equalTo("1"));
       interpreterModeActionsIT.logoutUser("user1");
 
-      // step 3: (user2) login, create a new note, run two paragraph with 
'python', check result,
-      // check process, logout
+      //step 3: (user2) login, create a new note, run two paragraph with 
'python', check result, check process, logout
       //                paragraph: Check if the result is 'user2' in the 
second paragraph
-      // System: Check if the number of python interpreter process is '1'
-      // System: Check if the number of python process is '2'
+      //System: Check if the number of python interpreter process is '1'
+      //System: Check if the number of python process is '2'
       interpreterModeActionsIT.authenticationUser("user2", "password3");
-      locator =
-          By.xpath(
-              "//div[contains(@class, 'col-md-4')]/div/h5/a[contains(.,'Create 
new" + " note')]");
-      element =
-          (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
-              .until(ExpectedConditions.visibilityOfElementLocated(locator));
+      locator = By.xpath("//div[contains(@class, 
'col-md-4')]/div/h5/a[contains(.,'Create new" +
+          " note')]");
+      element = (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
+          .until(ExpectedConditions.visibilityOfElementLocated(locator));
       if (element.isDisplayed()) {
         createNewNote();
       }
-      String user2noteId =
-          
driver.getCurrentUrl().substring(driver.getCurrentUrl().lastIndexOf("/") + 1);
+      String user2noteId = 
driver.getCurrentUrl().substring(driver.getCurrentUrl().lastIndexOf("/") + 1);
       waitForParagraph(1, "READY");
       interpreterModeActionsIT.setPythonParagraph(1, "user=\"user2\"");
       waitForParagraph(2, "READY");
       interpreterModeActionsIT.setPythonParagraph(2, "print user");
-      collector.checkThat(
-          "The output field paragraph contains",
-          driver
-              .findElement(
-                  By.xpath(
-                      getParagraphXPath(2) + "//div[contains(@class, 'text 
plainTextContent')]"))
-              .getText(),
+      collector.checkThat("The output field paragraph contains",
+          driver.findElement(By.xpath(
+              getParagraphXPath(2) + "//div[contains(@class, 'text 
plainTextContent')]")).getText(),
           CoreMatchers.equalTo("user2"));
 
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsPython, false, ProcessData.Types_Of_Data.OUTPUT);
+      resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsPython,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("2"));
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsInterpreter, false, ProcessData.Types_Of_Data.OUTPUT);
+      collector.checkThat("The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("2"));
+      resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsInterpreter,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python interpreter process is",
-          resultProcessNum,
-          CoreMatchers.equalTo("1"));
+      collector.checkThat("The number of python interpreter process is", 
resultProcessNum, CoreMatchers.equalTo("1"));
       interpreterModeActionsIT.logoutUser("user2");
 
-      // step 4: (user1) login, come back note user1 made, run second 
paragraph, check result,
+      //step 4: (user1) login, come back note user1 made, run second 
paragraph, check result,
       //                restart python interpreter in note, check process 
again, logout
-      // paragraph: Check if the result is 'user1' in the second paragraph
-      // System: Check if the number of python interpreter process is '1'
-      // System: Check if the number of python process is '1'
+      //paragraph: Check if the result is 'user1' in the second paragraph
+      //System: Check if the number of python interpreter process is '1'
+      //System: Check if the number of python process is '1'
       interpreterModeActionsIT.authenticationUser("user1", "password2");
       locator = By.xpath("//*[@id='notebook-names']//a[contains(@href, '" + 
user1noteId + "')]");
-      element =
-          (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
-              .until(ExpectedConditions.visibilityOfElementLocated(locator));
+      element = (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
+          .until(ExpectedConditions.visibilityOfElementLocated(locator));
       if (element.isDisplayed()) {
-        pollingWait(
-                By.xpath("//*[@id='notebook-names']//a[contains(@href, '" + 
user1noteId + "')]"),
-                MAX_BROWSER_TIMEOUT_SEC)
-            .click();
+        pollingWait(By.xpath("//*[@id='notebook-names']//a[contains(@href, '" 
+ user1noteId + "')]"),
+            MAX_BROWSER_TIMEOUT_SEC).click();
       }
       runParagraph(2);
       try {
         waitForParagraph(2, "FINISHED");
       } catch (TimeoutException e) {
         waitForParagraph(2, "ERROR");
-        collector.checkThat(
-            "Exception in InterpreterModeActionsIT while running Python 
Paragraph",
-            "ERROR",
-            CoreMatchers.equalTo("FINISHED"));
+        collector.checkThat("Exception in InterpreterModeActionsIT while 
running Python Paragraph",
+            "ERROR", CoreMatchers.equalTo("FINISHED"));
       }
-      collector.checkThat(
-          "The output field paragraph contains",
-          driver
-              .findElement(
-                  By.xpath(
-                      getParagraphXPath(2) + "//div[contains(@class, 'text 
plainTextContent')]"))
-              .getText(),
+      collector.checkThat("The output field paragraph contains",
+          driver.findElement(By.xpath(
+              getParagraphXPath(2) + "//div[contains(@class, 'text 
plainTextContent')]")).getText(),
           CoreMatchers.equalTo("user1"));
 
-      clickAndWait(
-          By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]"));
-      clickAndWait(
-          By.xpath(
-              "//div[@data-ng-repeat='item in interpreterBindings' and 
contains(., 'python')]//a"));
-      clickAndWait(
-          By.xpath(
-              "//div[@class='modal-dialog']"
-                  + "[contains(.,'Do you want to restart python 
interpreter?')]"
-                  + 
"//div[@class='bootstrap-dialog-footer-buttons']//button[contains(., 'OK')]"));
-      locator =
-          By.xpath(
-              "//div[@class='modal-dialog'][contains(.,'Do you want to restart 
python interpreter?')]");
-      LOG.info(
-          "Holding on until if interpreter restart dialog is disappeared or 
not in testPerUserScopedAction");
-      boolean invisibilityStatus =
-          (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
-              .until(ExpectedConditions.invisibilityOfElementLocated(locator));
+      clickAndWait(By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]"));
+      clickAndWait(By.xpath("//div[@data-ng-repeat='item in 
interpreterBindings' and contains(., 'python')]//a"));
+      clickAndWait(By.xpath("//div[@class='modal-dialog']" +
+          "[contains(.,'Do you want to restart python interpreter?')]" +
+          "//div[@class='bootstrap-dialog-footer-buttons']//button[contains(., 
'OK')]"));
+      locator = By.xpath("//div[@class='modal-dialog'][contains(.,'Do you want 
to restart python interpreter?')]");
+      LOG.info("Holding on until if interpreter restart dialog is disappeared 
or not in testPerUserScopedAction");
+      boolean invisibilityStatus = (new WebDriverWait(driver, 
MAX_BROWSER_TIMEOUT_SEC))
+          .until(ExpectedConditions.invisibilityOfElementLocated(locator));
       if (invisibilityStatus == false) {
         assertTrue("interpreter setting dialog visibility status", 
invisibilityStatus);
       }
-      locator =
-          By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]");
-      element =
-          (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
-              .until(ExpectedConditions.visibilityOfElementLocated(locator));
+      locator = By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]");
+      element = (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
+          .until(ExpectedConditions.visibilityOfElementLocated(locator));
       if (element.isDisplayed()) {
-        clickAndWait(
-            By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]"));
+        
clickAndWait(By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]"));
       }
 
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsPython, false, ProcessData.Types_Of_Data.OUTPUT);
+      resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsPython,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("1"));
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsInterpreter, false, ProcessData.Types_Of_Data.OUTPUT);
+      collector.checkThat("The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("1"));
+      resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsInterpreter,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python interpreter process is",
-          resultProcessNum,
-          CoreMatchers.equalTo("1"));
+      collector.checkThat("The number of python interpreter process is", 
resultProcessNum, CoreMatchers.equalTo("1"));
       interpreterModeActionsIT.logoutUser("user1");
 
-      // step 5: (user2) login, come back note user2 made, restart python 
interpreter in note, check
-      // process, logout
-      // System: Check if the number of python interpreter process is '0'
-      // System: Check if the number of python process is '0'
+      //step 5: (user2) login, come back note user2 made, restart python 
interpreter in note, check process, logout
+      //System: Check if the number of python interpreter process is '0'
+      //System: Check if the number of python process is '0'
       interpreterModeActionsIT.authenticationUser("user2", "password3");
       locator = By.xpath("//*[@id='notebook-names']//a[contains(@href, '" + 
user2noteId + "')]");
-      element =
-          (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
-              .until(ExpectedConditions.visibilityOfElementLocated(locator));
+      element = (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
+          .until(ExpectedConditions.visibilityOfElementLocated(locator));
       if (element.isDisplayed()) {
-        pollingWait(
-                By.xpath("//*[@id='notebook-names']//a[contains(@href, '" + 
user2noteId + "')]"),
-                MAX_BROWSER_TIMEOUT_SEC)
-            .click();
-      }
-      clickAndWait(
-          By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]"));
-      clickAndWait(
-          By.xpath(
-              "//div[@data-ng-repeat='item in interpreterBindings' and 
contains(., 'python')]//a"));
-      clickAndWait(
-          By.xpath(
-              "//div[@class='modal-dialog']"
-                  + "[contains(.,'Do you want to restart python 
interpreter?')]"
-                  + 
"//div[@class='bootstrap-dialog-footer-buttons']//button[contains(., 'OK')]"));
-      locator =
-          By.xpath(
-              "//div[@class='modal-dialog'][contains(.,'Do you want to restart 
python interpreter?')]");
-      LOG.info(
-          "Holding on until if interpreter restart dialog is disappeared or 
not in testPerUserScopedAction");
-      invisibilityStatus =
-          (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
-              .until(ExpectedConditions.invisibilityOfElementLocated(locator));
+        pollingWait(By.xpath("//*[@id='notebook-names']//a[contains(@href, '" 
+ user2noteId + "')]"),
+            MAX_BROWSER_TIMEOUT_SEC).click();
+      }
+      clickAndWait(By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]"));
+      clickAndWait(By.xpath("//div[@data-ng-repeat='item in 
interpreterBindings' and contains(., 'python')]//a"));
+      clickAndWait(By.xpath("//div[@class='modal-dialog']" +
+          "[contains(.,'Do you want to restart python interpreter?')]" +
+          "//div[@class='bootstrap-dialog-footer-buttons']//button[contains(., 
'OK')]"));
+      locator = By.xpath("//div[@class='modal-dialog'][contains(.,'Do you want 
to restart python interpreter?')]");
+      LOG.info("Holding on until if interpreter restart dialog is disappeared 
or not in testPerUserScopedAction");
+      invisibilityStatus = (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
+          .until(ExpectedConditions.invisibilityOfElementLocated(locator));
       if (invisibilityStatus == false) {
         assertTrue("interpreter setting dialog visibility status", 
invisibilityStatus);
       }
-      locator =
-          By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]");
-      element =
-          (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
-              .until(ExpectedConditions.visibilityOfElementLocated(locator));
+      locator = By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]");
+      element = (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
+          .until(ExpectedConditions.visibilityOfElementLocated(locator));
       if (element.isDisplayed()) {
-        clickAndWait(
-            By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]"));
+        
clickAndWait(By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]"));
       }
 
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsPython, false, ProcessData.Types_Of_Data.OUTPUT);
+      resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsPython,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("0"));
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsInterpreter, false, ProcessData.Types_Of_Data.OUTPUT);
+      collector.checkThat("The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("0"));
+      resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsInterpreter,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python interpreter process is",
-          resultProcessNum,
-          CoreMatchers.equalTo("0"));
+      collector.checkThat("The number of python interpreter process is", 
resultProcessNum, CoreMatchers.equalTo("0"));
       interpreterModeActionsIT.logoutUser("user2");
 
-      // step 6: (user1) login, come back note user1 made, run first 
paragraph,logout
+      //step 6: (user1) login, come back note user1 made, run first 
paragraph,logout
       //        (user2) login, come back note user2 made, run first paragraph, 
check process, logout
-      // System: Check if the number of python process is '2'
-      // System: Check if the number of python interpreter process is '1'
+      //System: Check if the number of python process is '2'
+      //System: Check if the number of python interpreter process is '1'
       interpreterModeActionsIT.authenticationUser("user1", "password2");
       locator = By.xpath("//*[@id='notebook-names']//a[contains(@href, '" + 
user1noteId + "')]");
-      element =
-          (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
-              .until(ExpectedConditions.visibilityOfElementLocated(locator));
+      element = (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
+          .until(ExpectedConditions.visibilityOfElementLocated(locator));
       if (element.isDisplayed()) {
-        pollingWait(
-                By.xpath("//*[@id='notebook-names']//a[contains(@href, '" + 
user1noteId + "')]"),
-                MAX_BROWSER_TIMEOUT_SEC)
-            .click();
+        pollingWait(By.xpath("//*[@id='notebook-names']//a[contains(@href, '" 
+ user1noteId + "')]"),
+            MAX_BROWSER_TIMEOUT_SEC).click();
       }
       waitForParagraph(1, "FINISHED");
       runParagraph(1);
@@ -714,105 +525,70 @@ public class InterpreterModeActionsIT extends 
AbstractZeppelinIT {
         waitForParagraph(1, "FINISHED");
       } catch (TimeoutException e) {
         waitForParagraph(1, "ERROR");
-        collector.checkThat(
-            "Exception in InterpreterModeActionsIT while running Python 
Paragraph",
-            "ERROR",
-            CoreMatchers.equalTo("FINISHED"));
+        collector.checkThat("Exception in InterpreterModeActionsIT while 
running Python Paragraph",
+            "ERROR", CoreMatchers.equalTo("FINISHED"));
       }
       interpreterModeActionsIT.logoutUser("user1");
 
       interpreterModeActionsIT.authenticationUser("user2", "password3");
       locator = By.xpath("//*[@id='notebook-names']//a[contains(@href, '" + 
user2noteId + "')]");
-      element =
-          (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
-              .until(ExpectedConditions.visibilityOfElementLocated(locator));
+      element = (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
+          .until(ExpectedConditions.visibilityOfElementLocated(locator));
       if (element.isDisplayed()) {
-        pollingWait(
-                By.xpath("//*[@id='notebook-names']//a[contains(@href, '" + 
user2noteId + "')]"),
-                MAX_BROWSER_TIMEOUT_SEC)
-            .click();
+        pollingWait(By.xpath("//*[@id='notebook-names']//a[contains(@href, '" 
+ user2noteId + "')]"),
+            MAX_BROWSER_TIMEOUT_SEC).click();
       }
       runParagraph(1);
       try {
         waitForParagraph(1, "FINISHED");
       } catch (TimeoutException e) {
         waitForParagraph(1, "ERROR");
-        collector.checkThat(
-            "Exception in InterpreterModeActionsIT while running Python 
Paragraph",
-            "ERROR",
-            CoreMatchers.equalTo("FINISHED"));
+        collector.checkThat("Exception in InterpreterModeActionsIT while 
running Python Paragraph",
+            "ERROR", CoreMatchers.equalTo("FINISHED"));
       }
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsPython, false, ProcessData.Types_Of_Data.OUTPUT);
+      resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsPython,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("2"));
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsInterpreter, false, ProcessData.Types_Of_Data.OUTPUT);
+      collector.checkThat("The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("2"));
+      resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsInterpreter,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python interpreter process is",
-          resultProcessNum,
-          CoreMatchers.equalTo("1"));
+      collector.checkThat("The number of python interpreter process is", 
resultProcessNum, CoreMatchers.equalTo("1"));
       interpreterModeActionsIT.logoutUser("user2");
 
-      // step 7: (admin) login, restart python interpreter in interpreter tab, 
check process, logout
-      // System: Check if the number of python interpreter process is 0
-      // System: Check if the number of python process is 0
+      //step 7: (admin) login, restart python interpreter in interpreter tab, 
check process, logout
+      //System: Check if the number of python interpreter process is 0
+      //System: Check if the number of python process is 0
       interpreterModeActionsIT.authenticationUser("admin", "password1");
-      pollingWait(
-              By.xpath("//div/button[contains(@class, 'nav-btn dropdown-toggle 
ng-scope')]"),
-              MAX_BROWSER_TIMEOUT_SEC)
-          .click();
+      pollingWait(By.xpath("//div/button[contains(@class, 'nav-btn 
dropdown-toggle ng-scope')]"),
+          MAX_BROWSER_TIMEOUT_SEC).click();
 
       clickAndWait(By.xpath("//li/a[contains(@href, '#/interpreter')]"));
-      pollingWait(
-              By.xpath("//input[contains(@ng-model, 'searchInterpreter')]"),
-              MAX_BROWSER_TIMEOUT_SEC)
-          .sendKeys("python");
+      pollingWait(By.xpath("//input[contains(@ng-model, 
'searchInterpreter')]"),
+          MAX_BROWSER_TIMEOUT_SEC).sendKeys("python");
       ZeppelinITUtils.sleep(500, false);
 
-      clickAndWait(
-          By.xpath(
-              "//div[contains(@id, 'python')]"
-                  + "//button[contains(@ng-click, 
'restartInterpreterSetting(setting.id)')]"));
-      clickAndWait(
-          By.xpath(
-              "//div[@class='modal-dialog']"
-                  + "[contains(.,'Do you want to restart this interpreter?')]"
-                  + 
"//div[@class='bootstrap-dialog-footer-buttons']//button[contains(., 'OK')]"));
-      locator =
-          By.xpath(
-              "//div[@class='modal-dialog'][contains(.,'Do you want to restart 
python interpreter?')]");
-      LOG.info(
-          "Holding on until if interpreter restart dialog is disappeared or 
not in testPerUserScopedAction");
-      invisibilityStatus =
-          (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
-              .until(ExpectedConditions.invisibilityOfElementLocated(locator));
+      clickAndWait(By.xpath("//div[contains(@id, 'python')]" +
+          "//button[contains(@ng-click, 
'restartInterpreterSetting(setting.id)')]"));
+      clickAndWait(By.xpath("//div[@class='modal-dialog']" +
+          "[contains(.,'Do you want to restart this interpreter?')]" +
+          "//div[@class='bootstrap-dialog-footer-buttons']//button[contains(., 
'OK')]"));
+      locator = By.xpath("//div[@class='modal-dialog'][contains(.,'Do you want 
to restart python interpreter?')]");
+      LOG.info("Holding on until if interpreter restart dialog is disappeared 
or not in testPerUserScopedAction");
+      invisibilityStatus = (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
+          .until(ExpectedConditions.invisibilityOfElementLocated(locator));
       if (invisibilityStatus == false) {
         assertTrue("interpreter setting dialog visibility status", 
invisibilityStatus);
       }
 
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsPython, false, ProcessData.Types_Of_Data.OUTPUT);
+      resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsPython,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("0"));
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsInterpreter, false, ProcessData.Types_Of_Data.OUTPUT);
+      collector.checkThat("The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("0"));
+      resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsInterpreter,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python interpreter process is",
-          resultProcessNum,
-          CoreMatchers.equalTo("0"));
+      collector.checkThat("The number of python interpreter process is", 
resultProcessNum, CoreMatchers.equalTo("0"));
 
       interpreterModeActionsIT.logoutUser("admin");
 
@@ -824,301 +600,204 @@ public class InterpreterModeActionsIT extends 
AbstractZeppelinIT {
   @Test
   public void testPerUserIsolatedAction() throws Exception {
     try {
-      // step 1: (admin) login, set 'Per user in isolated' mode of python 
interpreter, logout
+      //step 1: (admin) login, set 'Per user in isolated' mode of python 
interpreter, logout
       InterpreterModeActionsIT interpreterModeActionsIT = new 
InterpreterModeActionsIT();
       interpreterModeActionsIT.authenticationUser("admin", "password1");
-      pollingWait(
-              By.xpath("//div/button[contains(@class, 'nav-btn dropdown-toggle 
ng-scope')]"),
-              MAX_BROWSER_TIMEOUT_SEC)
-          .click();
+      pollingWait(By.xpath("//div/button[contains(@class, 'nav-btn 
dropdown-toggle ng-scope')]"),
+          MAX_BROWSER_TIMEOUT_SEC).click();
       clickAndWait(By.xpath("//li/a[contains(@href, '#/interpreter')]"));
-      pollingWait(
-              By.xpath("//input[contains(@ng-model, 'searchInterpreter')]"),
-              MAX_BROWSER_TIMEOUT_SEC)
-          .sendKeys("python");
+      pollingWait(By.xpath("//input[contains(@ng-model, 
'searchInterpreter')]"),
+          MAX_BROWSER_TIMEOUT_SEC).sendKeys("python");
       ZeppelinITUtils.sleep(500, false);
-      clickAndWait(
-          By.xpath(
-              "//div[contains(@id, 'python')]//button[contains(@ng-click, 
'valueform.$show();\n"
-                  + "                  
copyOriginInterpreterSettingProperties(setting.id)')]"));
+      clickAndWait(By.xpath("//div[contains(@id, 
'python')]//button[contains(@ng-click, 'valueform.$show();\n" +
+          "                  
copyOriginInterpreterSettingProperties(setting.id)')]"));
       clickAndWait(By.xpath("//div[contains(@id, 
'python')]/div[2]/div/div/div[1]/span[1]/button"));
       clickAndWait(By.xpath("//div[contains(@id, 
'python')]//li/a[contains(.,'Per User')]"));
       clickAndWait(By.xpath("//div[contains(@id, 
'python')]/div[2]/div/div/div[1]/span[2]/button"));
-      clickAndWait(
-          By.xpath("//div[contains(@id, 'python')]//li/a[contains(.,'isolated 
per user')]"));
-      JavascriptExecutor jse = (JavascriptExecutor) driver;
+      clickAndWait(By.xpath("//div[contains(@id, 
'python')]//li/a[contains(.,'isolated per user')]"));
+      JavascriptExecutor jse = (JavascriptExecutor)driver;
       jse.executeScript("window.scrollBy(0,250)", "");
       ZeppelinITUtils.sleep(500, false);
-      clickAndWait(
-          By.xpath("//div[contains(@id, 
'python')]//div/form/button[contains(@type, 'submit')]"));
-      clickAndWait(
-          By.xpath(
-              
"//div[@class='modal-dialog']//div[@class='bootstrap-dialog-footer-buttons']//button[contains(.,
 'OK')]"));
+      clickAndWait(By.xpath("//div[contains(@id, 
'python')]//div/form/button[contains(@type, 'submit')]"));
+      clickAndWait(By.xpath(
+          
"//div[@class='modal-dialog']//div[@class='bootstrap-dialog-footer-buttons']//button[contains(.,
 'OK')]"));
       clickAndWait(By.xpath("//a[@class='navbar-brand 
navbar-title'][contains(@href, '#/')]"));
       interpreterModeActionsIT.logoutUser("admin");
 
-      // step 2: (user1) login, create a new note, run two paragraph with 
'python', check result,
-      // check process, logout
-      // paragraph: Check if the result is 'user1' in the second paragraph
-      // System: Check if the number of python interpreter process is '1'
-      // System: Check if the number of python process is '1'
+      //step 2: (user1) login, create a new note, run two paragraph with 
'python', check result, check process, logout
+      //paragraph: Check if the result is 'user1' in the second paragraph
+      //System: Check if the number of python interpreter process is '1'
+      //System: Check if the number of python process is '1'
       interpreterModeActionsIT.authenticationUser("user1", "password2");
-      By locator =
-          By.xpath(
-              "//div[contains(@class, 'col-md-4')]/div/h5/a[contains(.,'Create 
new" + " note')]");
-      WebElement element =
-          (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
-              .until(ExpectedConditions.visibilityOfElementLocated(locator));
+      By locator = By.xpath("//div[contains(@class, 
'col-md-4')]/div/h5/a[contains(.,'Create new" +
+          " note')]");
+      WebElement element = (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
+          .until(ExpectedConditions.visibilityOfElementLocated(locator));
       if (element.isDisplayed()) {
         createNewNote();
       }
-      String user1noteId =
-          
driver.getCurrentUrl().substring(driver.getCurrentUrl().lastIndexOf("/") + 1);
+      String user1noteId = 
driver.getCurrentUrl().substring(driver.getCurrentUrl().lastIndexOf("/") + 1);
       waitForParagraph(1, "READY");
       interpreterModeActionsIT.setPythonParagraph(1, "user=\"user1\"");
       waitForParagraph(2, "READY");
       interpreterModeActionsIT.setPythonParagraph(2, "print user");
 
-      collector.checkThat(
-          "The output field paragraph contains",
-          driver
-              .findElement(
-                  By.xpath(
-                      getParagraphXPath(2) + "//div[contains(@class, 'text 
plainTextContent')]"))
-              .getText(),
+      collector.checkThat("The output field paragraph contains",
+          driver.findElement(By.xpath(
+              getParagraphXPath(2) + "//div[contains(@class, 'text 
plainTextContent')]")).getText(),
           CoreMatchers.equalTo("user1"));
 
-      String resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsPython, false, ProcessData.Types_Of_Data.OUTPUT);
+      String resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsPython,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("1"));
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsInterpreter, false, ProcessData.Types_Of_Data.OUTPUT);
+      collector.checkThat("The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("1"));
+      resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsInterpreter,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python interpreter process is",
-          resultProcessNum,
-          CoreMatchers.equalTo("1"));
+      collector.checkThat("The number of python interpreter process is", 
resultProcessNum, CoreMatchers.equalTo("1"));
       interpreterModeActionsIT.logoutUser("user1");
 
-      // step 3: (user2) login, create a new note, run two paragraph with 
'python', check result,
-      // check process, logout
+      //step 3: (user2) login, create a new note, run two paragraph with 
'python', check result, check process, logout
       //                paragraph: Check if the result is 'user2' in the 
second paragraph
-      // System: Check if the number of python interpreter process is '2'
-      // System: Check if the number of python process is '2'
+      //System: Check if the number of python interpreter process is '2'
+      //System: Check if the number of python process is '2'
       interpreterModeActionsIT.authenticationUser("user2", "password3");
-      locator =
-          By.xpath(
-              "//div[contains(@class, 'col-md-4')]/div/h5/a[contains(.,'Create 
new" + " note')]");
-      element =
-          (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
-              .until(ExpectedConditions.visibilityOfElementLocated(locator));
+      locator = By.xpath("//div[contains(@class, 
'col-md-4')]/div/h5/a[contains(.,'Create new" +
+          " note')]");
+      element = (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
+          .until(ExpectedConditions.visibilityOfElementLocated(locator));
       if (element.isDisplayed()) {
         createNewNote();
       }
-      String user2noteId =
-          
driver.getCurrentUrl().substring(driver.getCurrentUrl().lastIndexOf("/") + 1);
+      String user2noteId = 
driver.getCurrentUrl().substring(driver.getCurrentUrl().lastIndexOf("/") + 1);
       waitForParagraph(1, "READY");
       interpreterModeActionsIT.setPythonParagraph(1, "user=\"user2\"");
       waitForParagraph(2, "READY");
       interpreterModeActionsIT.setPythonParagraph(2, "print user");
 
-      collector.checkThat(
-          "The output field paragraph contains",
-          driver
-              .findElement(
-                  By.xpath(
-                      getParagraphXPath(2) + "//div[contains(@class, 'text 
plainTextContent')]"))
-              .getText(),
+      collector.checkThat("The output field paragraph contains",
+          driver.findElement(By.xpath(
+              getParagraphXPath(2) + "//div[contains(@class, 'text 
plainTextContent')]")).getText(),
           CoreMatchers.equalTo("user2"));
 
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsPython, false, ProcessData.Types_Of_Data.OUTPUT);
+      resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsPython,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("2"));
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsInterpreter, false, ProcessData.Types_Of_Data.OUTPUT);
+      collector.checkThat("The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("2"));
+      resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsInterpreter,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python interpreter process is",
-          resultProcessNum,
-          CoreMatchers.equalTo("2"));
+      collector.checkThat("The number of python interpreter process is", 
resultProcessNum, CoreMatchers.equalTo("2"));
       interpreterModeActionsIT.logoutUser("user2");
 
-      // step 4: (user1) login, come back note user1 made, run second 
paragraph, check result,
+      //step 4: (user1) login, come back note user1 made, run second 
paragraph, check result,
       //                restart python interpreter in note, check process 
again, logout
-      // paragraph: Check if the result is 'user1' in the second paragraph
-      // System: Check if the number of python interpreter process is '1'
-      // System: Check if the number of python process is '1'
+      //paragraph: Check if the result is 'user1' in the second paragraph
+      //System: Check if the number of python interpreter process is '1'
+      //System: Check if the number of python process is '1'
       interpreterModeActionsIT.authenticationUser("user1", "password2");
       locator = By.xpath("//*[@id='notebook-names']//a[contains(@href, '" + 
user1noteId + "')]");
-      element =
-          (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
-              .until(ExpectedConditions.visibilityOfElementLocated(locator));
+      element = (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
+          .until(ExpectedConditions.visibilityOfElementLocated(locator));
       if (element.isDisplayed()) {
-        pollingWait(
-                By.xpath("//*[@id='notebook-names']//a[contains(@href, '" + 
user1noteId + "')]"),
-                MAX_BROWSER_TIMEOUT_SEC)
-            .click();
+        pollingWait(By.xpath("//*[@id='notebook-names']//a[contains(@href, '" 
+ user1noteId + "')]"),
+            MAX_BROWSER_TIMEOUT_SEC).click();
       }
       runParagraph(2);
       try {
         waitForParagraph(2, "FINISHED");
       } catch (TimeoutException e) {
         waitForParagraph(2, "ERROR");
-        collector.checkThat(
-            "Exception in InterpreterModeActionsIT while running Python 
Paragraph",
-            "ERROR",
-            CoreMatchers.equalTo("FINISHED"));
+        collector.checkThat("Exception in InterpreterModeActionsIT while 
running Python Paragraph",
+            "ERROR", CoreMatchers.equalTo("FINISHED"));
       }
-      collector.checkThat(
-          "The output field paragraph contains",
-          driver
-              .findElement(
-                  By.xpath(
-                      getParagraphXPath(2) + "//div[contains(@class, 'text 
plainTextContent')]"))
-              .getText(),
+      collector.checkThat("The output field paragraph contains",
+          driver.findElement(By.xpath(
+              getParagraphXPath(2) + "//div[contains(@class, 'text 
plainTextContent')]")).getText(),
           CoreMatchers.equalTo("user1"));
 
-      clickAndWait(
-          By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]"));
-      clickAndWait(
-          By.xpath(
-              "//div[@data-ng-repeat='item in interpreterBindings' and 
contains(., 'python')]//a"));
-      clickAndWait(
-          By.xpath(
-              "//div[@class='modal-dialog']"
-                  + "[contains(.,'Do you want to restart python 
interpreter?')]"
-                  + 
"//div[@class='bootstrap-dialog-footer-buttons']//button[contains(., 'OK')]"));
+      clickAndWait(By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]"));
+      clickAndWait(By.xpath("//div[@data-ng-repeat='item in 
interpreterBindings' and contains(., 'python')]//a"));
+      clickAndWait(By.xpath("//div[@class='modal-dialog']" +
+          "[contains(.,'Do you want to restart python interpreter?')]" +
+          "//div[@class='bootstrap-dialog-footer-buttons']//button[contains(., 
'OK')]"));
 
-      locator =
-          By.xpath(
-              "//div[@class='modal-dialog'][contains(.,'Do you want to restart 
python interpreter?')]");
-      LOG.info(
-          "Holding on until if interpreter restart dialog is disappeared or 
not in testPerUserIsolatedAction");
-      boolean invisibilityStatus =
-          (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
-              .until(ExpectedConditions.invisibilityOfElementLocated(locator));
+      locator = By.xpath("//div[@class='modal-dialog'][contains(.,'Do you want 
to restart python interpreter?')]");
+      LOG.info("Holding on until if interpreter restart dialog is disappeared 
or not in testPerUserIsolatedAction");
+      boolean invisibilityStatus = (new WebDriverWait(driver, 
MAX_BROWSER_TIMEOUT_SEC))
+          .until(ExpectedConditions.invisibilityOfElementLocated(locator));
       if (invisibilityStatus == false) {
         assertTrue("interpreter setting dialog visibility status", 
invisibilityStatus);
       }
-      locator =
-          By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]");
-      element =
-          (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
-              .until(ExpectedConditions.visibilityOfElementLocated(locator));
+      locator = By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]");
+      element = (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
+          .until(ExpectedConditions.visibilityOfElementLocated(locator));
       if (element.isDisplayed()) {
-        clickAndWait(
-            By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]"));
+        
clickAndWait(By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]"));
       }
 
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsPython, false, ProcessData.Types_Of_Data.OUTPUT);
+      resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsPython,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("1"));
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsInterpreter, false, ProcessData.Types_Of_Data.OUTPUT);
+      collector.checkThat("The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("1"));
+      resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsInterpreter,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python interpreter process is",
-          resultProcessNum,
-          CoreMatchers.equalTo("1"));
+      collector.checkThat("The number of python interpreter process is", 
resultProcessNum, CoreMatchers.equalTo("1"));
       interpreterModeActionsIT.logoutUser("user1");
 
-      // step 5: (user2) login, come back note user2 made, restart python 
interpreter in note, check
-      // process, logout
-      // System: Check if the number of python interpreter process is '0'
-      // System: Check if the number of python process is '0'
+      //step 5: (user2) login, come back note user2 made, restart python 
interpreter in note, check process, logout
+      //System: Check if the number of python interpreter process is '0'
+      //System: Check if the number of python process is '0'
       interpreterModeActionsIT.authenticationUser("user2", "password3");
       locator = By.xpath("//*[@id='notebook-names']//a[contains(@href, '" + 
user2noteId + "')]");
-      element =
-          (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
-              .until(ExpectedConditions.visibilityOfElementLocated(locator));
+      element = (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
+          .until(ExpectedConditions.visibilityOfElementLocated(locator));
       if (element.isDisplayed()) {
-        pollingWait(
-                By.xpath("//*[@id='notebook-names']//a[contains(@href, '" + 
user2noteId + "')]"),
-                MAX_BROWSER_TIMEOUT_SEC)
-            .click();
-      }
-      clickAndWait(
-          By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]"));
-      clickAndWait(
-          By.xpath(
-              "//div[@data-ng-repeat='item in interpreterBindings' and 
contains(., 'python')]//a"));
-      clickAndWait(
-          By.xpath(
-              "//div[@class='modal-dialog']"
-                  + "[contains(.,'Do you want to restart python 
interpreter?')]"
-                  + 
"//div[@class='bootstrap-dialog-footer-buttons']//button[contains(., 'OK')]"));
-
-      locator =
-          By.xpath(
-              "//div[@class='modal-dialog'][contains(.,'Do you want to restart 
python interpreter?')]");
-      LOG.info(
-          "Holding on until if interpreter restart dialog is disappeared or 
not in testPerUserIsolatedAction");
-      invisibilityStatus =
-          (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
-              .until(ExpectedConditions.invisibilityOfElementLocated(locator));
+        pollingWait(By.xpath("//*[@id='notebook-names']//a[contains(@href, '" 
+ user2noteId + "')]"),
+            MAX_BROWSER_TIMEOUT_SEC).click();
+      }
+      clickAndWait(By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]"));
+      clickAndWait(By.xpath("//div[@data-ng-repeat='item in 
interpreterBindings' and contains(., 'python')]//a"));
+      clickAndWait(By.xpath("//div[@class='modal-dialog']" +
+          "[contains(.,'Do you want to restart python interpreter?')]" +
+          "//div[@class='bootstrap-dialog-footer-buttons']//button[contains(., 
'OK')]"));
+
+      locator = By.xpath("//div[@class='modal-dialog'][contains(.,'Do you want 
to restart python interpreter?')]");
+      LOG.info("Holding on until if interpreter restart dialog is disappeared 
or not in testPerUserIsolatedAction");
+      invisibilityStatus = (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
+          .until(ExpectedConditions.invisibilityOfElementLocated(locator));
       if (invisibilityStatus == false) {
         assertTrue("interpreter setting dialog visibility status", 
invisibilityStatus);
       }
-      locator =
-          By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]");
-      element =
-          (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
-              .until(ExpectedConditions.visibilityOfElementLocated(locator));
+      locator = By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]");
+      element = (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
+          .until(ExpectedConditions.visibilityOfElementLocated(locator));
       if (element.isDisplayed()) {
-        clickAndWait(
-            By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]"));
+        
clickAndWait(By.xpath("//*[@id='actionbar']//span[contains(@uib-tooltip, 
'Interpreter binding')]"));
       }
 
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsPython, false, ProcessData.Types_Of_Data.OUTPUT);
+      resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsPython,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("0"));
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsInterpreter, false, ProcessData.Types_Of_Data.OUTPUT);
+      collector.checkThat("The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("0"));
+      resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsInterpreter,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python interpreter process is",
-          resultProcessNum,
-          CoreMatchers.equalTo("0"));
+      collector.checkThat("The number of python interpreter process is", 
resultProcessNum, CoreMatchers.equalTo("0"));
       interpreterModeActionsIT.logoutUser("user2");
 
-      // step 6: (user1) login, come back note user1 made, run first 
paragraph,logout
+      //step 6: (user1) login, come back note user1 made, run first 
paragraph,logout
       //        (user2) login, come back note user2 made, run first paragraph, 
check process, logout
-      // System: Check if the number of python process is '2'
-      // System: Check if the number of python interpreter process is '2'
+      //System: Check if the number of python process is '2'
+      //System: Check if the number of python interpreter process is '2'
       interpreterModeActionsIT.authenticationUser("user1", "password2");
       locator = By.xpath("//*[@id='notebook-names']//a[contains(@href, '" + 
user1noteId + "')]");
-      element =
-          (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
-              .until(ExpectedConditions.visibilityOfElementLocated(locator));
+      element = (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
+          .until(ExpectedConditions.visibilityOfElementLocated(locator));
       if (element.isDisplayed()) {
-        pollingWait(
-                By.xpath("//*[@id='notebook-names']//a[contains(@href, '" + 
user1noteId + "')]"),
-                MAX_BROWSER_TIMEOUT_SEC)
-            .click();
+        pollingWait(By.xpath("//*[@id='notebook-names']//a[contains(@href, '" 
+ user1noteId + "')]"),
+            MAX_BROWSER_TIMEOUT_SEC).click();
       }
       waitForParagraph(1, "FINISHED");
       runParagraph(1);
@@ -1126,105 +805,70 @@ public class InterpreterModeActionsIT extends 
AbstractZeppelinIT {
         waitForParagraph(1, "FINISHED");
       } catch (TimeoutException e) {
         waitForParagraph(1, "ERROR");
-        collector.checkThat(
-            "Exception in InterpreterModeActionsIT while running Python 
Paragraph",
-            "ERROR",
-            CoreMatchers.equalTo("FINISHED"));
+        collector.checkThat("Exception in InterpreterModeActionsIT while 
running Python Paragraph",
+            "ERROR", CoreMatchers.equalTo("FINISHED"));
       }
       interpreterModeActionsIT.logoutUser("user1");
 
       interpreterModeActionsIT.authenticationUser("user2", "password3");
       locator = By.xpath("//*[@id='notebook-names']//a[contains(@href, '" + 
user2noteId + "')]");
-      element =
-          (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
-              .until(ExpectedConditions.visibilityOfElementLocated(locator));
+      element = (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
+          .until(ExpectedConditions.visibilityOfElementLocated(locator));
       if (element.isDisplayed()) {
-        pollingWait(
-                By.xpath("//*[@id='notebook-names']//a[contains(@href, '" + 
user2noteId + "')]"),
-                MAX_BROWSER_TIMEOUT_SEC)
-            .click();
+        pollingWait(By.xpath("//*[@id='notebook-names']//a[contains(@href, '" 
+ user2noteId + "')]"),
+            MAX_BROWSER_TIMEOUT_SEC).click();
       }
       runParagraph(1);
       try {
         waitForParagraph(1, "FINISHED");
       } catch (TimeoutException e) {
         waitForParagraph(1, "ERROR");
-        collector.checkThat(
-            "Exception in InterpreterModeActionsIT while running Python 
Paragraph",
-            "ERROR",
-            CoreMatchers.equalTo("FINISHED"));
+        collector.checkThat("Exception in InterpreterModeActionsIT while 
running Python Paragraph",
+            "ERROR", CoreMatchers.equalTo("FINISHED"));
       }
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsPython, false, ProcessData.Types_Of_Data.OUTPUT);
+      resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsPython,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("2"));
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsInterpreter, false, ProcessData.Types_Of_Data.OUTPUT);
+      collector.checkThat("The number of python process is", resultProcessNum, 
CoreMatchers.equalTo("2"));
+      resultProcessNum = (String) 
CommandExecutor.executeCommandLocalHost(cmdPsInterpreter,
+          false, ProcessData.Types_Of_Data.OUTPUT);
       resultProcessNum = resultProcessNum.trim().replaceAll("\n", "");
-      collector.checkThat(
-          "The number of python interpreter process is",
-          resultProcessNum,
-          CoreMatchers.equalTo("2"));
+      collector.checkThat("The number of python interpreter process is", 
resultProcessNum, CoreMatchers.equalTo("2"));
       interpreterModeActionsIT.logoutUser("user2");
 
-      // step 7: (admin) login, restart python interpreter in interpreter tab, 
check process, logout
-      // System: Check if the number of python interpreter process is 0
-      // System: Check if the number of python process is 0
+      //step 7: (admin) login, restart python interpreter in interpreter tab, 
check process, logout
+      //System: Check if the number of python interpreter process is 0
+      //System: Check if the number of python process is 0
       interpreterModeActionsIT.authenticationUser("admin", "password1");
-      pollingWait(
-              By.xpath("//div/button[contains(@class, 'nav-btn dropdown-toggle 
ng-scope')]"),
-              MAX_BROWSER_TIMEOUT_SEC)
-          .click();
+      pollingWait(By.xpath("//div/button[contains(@class, 'nav-btn 
dropdown-toggle ng-scope')]"),
+          MAX_BROWSER_TIMEOUT_SEC).click();
 
       clickAndWait(By.xpath("//li/a[contains(@href, '#/interpreter')]"));
-      pollingWait(
-              By.xpath("//input[contains(@ng-model, 'searchInterpreter')]"),
-              MAX_BROWSER_TIMEOUT_SEC)
-          .sendKeys("python");
+      pollingWait(By.xpath("//input[contains(@ng-model, 
'searchInterpreter')]"),
+          MAX_BROWSER_TIMEOUT_SEC).sendKeys("python");
       ZeppelinITUtils.sleep(500, false);
 
-      clickAndWait(
-          By.xpath(
-              "//div[contains(@id, 'python')]"
-                  + "//button[contains(@ng-click, 
'restartInterpreterSetting(setting.id)')]"));
-      clickAndWait(
-          By.xpath(
-              "//div[@class='modal-dialog']"
-                  + "[contains(.,'Do you want to restart this interpreter?')]"
-                  + 
"//div[@class='bootstrap-dialog-footer-buttons']//button[contains(., 'OK')]"));
-      locator =
-          By.xpath(
-              "//div[@class='modal-dialog'][contains(.,'Do you want to restart 
python interpreter?')]");
-      LOG.info(
-          "Holding on until if interpreter restart dialog is disappeared or 
not in testPerUserIsolatedAction");
-      invisibilityStatus =
-          (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
-              .until(ExpectedConditions.invisibilityOfElementLocated(locator));
+      clickAndWait(By.xpath("//div[contains(@id, 'python')]" +
+          "//button[contains(@ng-click, 
'restartInterpreterSetting(setting.id)')]"));
+      clickAndWait(By.xpath("//div[@class='modal-dialog']" +
+          "[contains(.,'Do you want to restart this interpreter?')]" +
+          "//div[@class='bootstrap-dialog-footer-buttons']//button[contains(., 
'OK')]"));
+      locator = By.xpath("//div[@class='modal-dialog'][contains(.,'Do you want 
to restart python interpreter?')]");
+      LOG.info("Holding on until if interpreter restart dialog is disappeared 
or not in testPerUserIsolatedAction");
+      invisibilityStatus = (new WebDriverWait(driver, MAX_BROWSER_TIMEOUT_SEC))
+          .until(ExpectedConditions.invisibilityOfElementLocated(locator));
       if (invisibilityStatus == false) {
         assertTrue("interpreter setting dialog visibility status", 
invisibilityStatus);
       }
 
-      resultProcessNum =
-          (String)
-              CommandExecutor.executeCommandLocalHost(
-                  cmdPsPython, false, ProcessData.Types_Of_Data.

<TRUNCATED>

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