Version 1.7.0-dev.3.2 .

editor/tools/plugins/com.google.dart.tools.core_test/src/com/google/dart/tools/core/internal/builder/AnalysisMarkerManagerTest.java

 /*
  * Copyright (c) 2013, the Dart project authors.
  * 
  * Licensed under the Eclipse Public License v1.0 (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.eclipse.org/legal/epl-v10.html
  * 
  * 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
@@ skipping 200 matching lines @@
         sdk,
         sdkContextId,
         IndexFactory.newIndex(IndexFactory.newSplitIndexStore(new MemoryNodeManager())),
         new DartIgnoreManager());
     project = projectManager.getProject(projectRes);
     project.getDefaultContext();
 
     File file = fileRes.getLocation().toFile();
     source = new FileBasedSource(file);
   }
+
+  @Override
+  protected void tearDown() throws Exception {
+    sdk = null;
+    projectManager = null;
+    project = null;
+    super.tearDown();
+  }
 }