From 13615c5b3d5c0e233879821b6fd9df410d71bdf3 Mon Sep 17 00:00:00 2001
From: Anna Kozlova <anna.kozlova@jetbrains.com>
Date: Wed, 13 Sep 2017 15:44:34 +0300
Subject: [PATCH] read action (IDEA-178910)

---
 .../impl/src/com/intellij/execution/junit/JUnitUtil.java       | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/java/execution/impl/src/com/intellij/execution/junit/JUnitUtil.java b/java/execution/impl/src/com/intellij/execution/junit/JUnitUtil.java
index 556e342110d2..a5ee8935ba5e 100644
--- a/java/execution/impl/src/com/intellij/execution/junit/JUnitUtil.java
+++ b/java/execution/impl/src/com/intellij/execution/junit/JUnitUtil.java
@@ -21,6 +21,7 @@ import com.intellij.codeInsight.TestFrameworks;
 import com.intellij.execution.*;
 import com.intellij.execution.junit2.info.MethodLocation;
 import com.intellij.execution.testframework.SourceScope;
+import com.intellij.openapi.application.ReadAction;
 import com.intellij.openapi.module.Module;
 import com.intellij.openapi.module.ModuleUtilCore;
 import com.intellij.openapi.progress.ProgressManager;
@@ -278,7 +279,7 @@ public class JUnitUtil {
       return aPackage != null && aPackage.getDirectories(scope).length > 0;
     };
 
-    return foundCondition.value(TEST5_PACKAGE_FQN);
+    return ReadAction.compute(() -> foundCondition.value(TEST5_PACKAGE_FQN));
   }
   
   public static boolean isTestAnnotated(final PsiMethod method) {