[test] Fix class name in test

Summary: In Java, public class name should be the same to file name.

Reviewed By: ezgicicek

Differential Revision: D25245194

fbshipit-source-id: 49fd16748

infer/tests/build_systems/differential_interesting_paths_filter/current.exp

@@ -1,5 +1,4 @@
 NULL_DEREFERENCE, no_bucket, src/com/example/DiffClass1.java, com.example.DiffClass1.triggerNpe():int, 1
 RESOURCE_LEAK, no_bucket, src/com/example/DiffClass2.java, com.example.DiffClass2.openResource():void, 5
-NULL_DEREFERENCE, no_bucket, src/com/example/DiffClass3.java, com.example.DiffClassThree.doStuff3():int, 1
+NULL_DEREFERENCE, no_bucket, src/com/example/DiffClass3.java, com.example.DiffClass3.doStuff3():int, 1
 NULL_DEREFERENCE, no_bucket, src/com/example/DiffClassUnchanged.java, com.example.DiffClassUnchanged.doWrongStuff():int, 1
-NULL_DEREFERENCE, no_bucket, src/com/example/DiffClassUnchanged.java, com.example.DiffClassUnchanged.tellMeTheLength():int, 1

infer/tests/build_systems/differential_interesting_paths_filter/introduced.exp

@@ -1,2 +1 @@
-NULL_DEREFERENCE, no_bucket, src/com/example/DiffClass3.java, com.example.DiffClassThree.doStuff3():int, 1
-NULL_DEREFERENCE, no_bucket, src/com/example/DiffClassUnchanged.java, com.example.DiffClassUnchanged.tellMeTheLength():int, 1
+NULL_DEREFERENCE, no_bucket, src/com/example/DiffClass3.java, com.example.DiffClass3.doStuff3():int, 1

infer/tests/build_systems/differential_interesting_paths_filter/src/com/example/DiffClass3.java.current

@@ -7,13 +7,13 @@
 
 package com.example;
 
-class DiffClassThree {
+class DiffClass3 {
   public static String createString3() {
       return null;
   }
 
 
   private int doStuff3() {
-      return DiffClassThree.createString3().length();
+      return DiffClass3.createString3().length();
   }
 }

infer/tests/build_systems/differential_interesting_paths_filter/src/com/example/DiffClassUnchanged.java.unchanged

@@ -8,15 +8,10 @@
 package com.example;
 
 class DiffClassUnchanged {
-  private int tellMeTheLength() {
-      return DiffClassThree.createString3().length();
-  }
-
   private String createNullString() {
       return null;
   }
 
-
   private int doWrongStuff() {
       return this.createNullString().length();
   }