ctubbsii commented on a change in pull request #2238:
URL: https://github.com/apache/accumulo/pull/2238#discussion_r717878697



##########
File path: 
core/src/test/java/org/apache/accumulo/core/conf/cluster/ClusterConfigParserTest.java
##########
@@ -0,0 +1,145 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.accumulo.core.conf.cluster;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.PrintStream;
+import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.TemporaryFolder;
+
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
+
+@SuppressFBWarnings(value = "PATH_TRAVERSAL_IN", justification = "paths 
provided by test")
+public class ClusterConfigParserTest {
+
+  @Rule
+  public TemporaryFolder tmp = new TemporaryFolder();

Review comment:
       I saw the change. It's fine, but I think a simpler change would have 
been to keep the `@Rule`. Other ITs, such as `TokenFileIT` do:
   
   ```java
     @Rule
     public TemporaryFolder folder =
         new TemporaryFolder(new File(System.getProperty("user.dir") + 
"/target"));
   ```




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