diff --git a/platform/testFramework/src/com/intellij/testFramework/UsefulTestCase.java b/platform/testFramework/src/com/intellij/testFramework/UsefulTestCase.java
index 85e8e0db933e..968d6dab4b48 100644
--- a/platform/testFramework/src/com/intellij/testFramework/UsefulTestCase.java
+++ b/platform/testFramework/src/com/intellij/testFramework/UsefulTestCase.java
@@ -415,6 +415,7 @@ public abstract class UsefulTestCase extends TestCase {
     if (!shouldRunTest()) return;
 
     if (runInDispatchThread()) {
+      TestRunnerUtil.replaceIdeEventQueueSafely();
       TestFrameworkPackage.runInEdtAndWait(new ThrowableRunnable<Throwable>() {
         @Override
         public void run() throws Throwable {