[gwt-contrib] Remove a Java 1.6-ism

[rice]

Reviewers: Lex,

Description:
String.isEmpty does not exist prior to Java 1.6


Please review this at http://gwt-code-reviews.appspot.com/118811

Affected files:
   user/test/com/google/gwt/user/client/rpc/RemoteServiceServletTest.java


Index:  
user/test/com/google/gwt/user/client/rpc/RemoteServiceServletTest.java
===================================================================
--- user/test/com/google/gwt/user/client/rpc/RemoteServiceServletTest.java      
 
(revision 7277)
+++ user/test/com/google/gwt/user/client/rpc/RemoteServiceServletTest.java      
 
(working copy)
@@ -196,7 +196,7 @@
    public void testPolicyStrongName() {
      String policy = ((ServiceDefTarget)  
getAsyncService()).getSerializationPolicyName();
      assertNotNull(policy);
-    assertTrue(!policy.isEmpty());
+    assertTrue(policy.length() != 0);
    }

    /**


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