duplicated string literal inspection: revert inspection to default state after a test

plugins/java-i18n/testSrc/com/intellij/codeInspection/i18n/DuplicateStringLiteralInspectionTest.java

@@ -1,5 +1,17 @@
 /*
- * Copyright (c) 2005 JetBrains s.r.o. All Rights Reserved.
+ * Copyright 2000-2017 JetBrains s.r.o.
+ *
+ * Licensed 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 com.intellij.codeInspection.i18n;
 
@@ -28,7 +40,11 @@ public class DuplicateStringLiteralInspectionTest extends JavaCodeInsightFixture
 
   public void testPropertyKey() throws Exception {
     myInspection.IGNORE_PROPERTY_KEYS = true;
-    myFixture.testHighlighting("PropertyKey.java");
+    try {
+      myFixture.testHighlighting("PropertyKey.java");
+    } finally {
+      myInspection.IGNORE_PROPERTY_KEYS = false;
+    }
   }
 
   public void testBatchApplication() {