fixing OOME in tests

java/compiler/impl/testSrc/com/intellij/compiler/BaseCompilerTestCase.java

@@ -81,7 +81,7 @@ public abstract class BaseCompilerTestCase extends ModuleTestCase {
         FileUtil.delete(new File(FileUtil.toSystemDependentName(outputPath)));
       }
     }
-    CompilerTestUtil.disableExternalCompiler();
+    CompilerTestUtil.disableExternalCompiler(getProject());
 
     super.tearDown();
   }

java/testFramework/src/com/intellij/compiler/CompilerTestUtil.java

@@ -1,6 +1,7 @@
 package com.intellij.compiler;
 
 import com.intellij.compiler.impl.javaCompiler.javac.JavacConfiguration;
+import com.intellij.compiler.server.BuildManager;
 import com.intellij.openapi.application.PathManager;
 import com.intellij.openapi.application.Result;
 import com.intellij.openapi.application.WriteAction;
@@ -86,12 +87,13 @@ public class CompilerTestUtil {
     }.execute();
   }
 
-  public static void disableExternalCompiler() {
+  public static void disableExternalCompiler(final Project project) {
     new WriteAction() {
       protected void run(final Result result) {
         ApplicationManagerEx.getApplicationEx().doNotSave(true);
         JavaAwareProjectJdkTableImpl table = JavaAwareProjectJdkTableImpl.getInstanceEx();
         table.removeJdk(table.getInternalJdk());
+        BuildManager.getInstance().clearState(project);
       }
     }.execute();
   }

java/testFramework/src/com/intellij/testFramework/CompilerTester.java

@@ -74,7 +74,7 @@ public class CompilerTester {
   }
 
   public void tearDown() {
-    CompilerTestUtil.disableExternalCompiler();
+    CompilerTestUtil.disableExternalCompiler(getProject());
 
     try {
       myMainOutput.tearDown();