From c3a6faa9df288b3bf28c0d386445b56d4dc4c726 Mon Sep 17 00:00:00 2001
From: "Anna.Kozlova" <anna.kozlova@jetbrains.com>
Date: Fri, 31 Mar 2017 16:19:54 +0200
Subject: [PATCH] junit 5: NPE in forked tests

---
 .../src/com/intellij/junit5/JUnit5TestExecutionListener.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/junit5_rt/src/com/intellij/junit5/JUnit5TestExecutionListener.java b/plugins/junit5_rt/src/com/intellij/junit5/JUnit5TestExecutionListener.java
index 5d6a40ab1dc6..be3c72e47746 100644
--- a/plugins/junit5_rt/src/com/intellij/junit5/JUnit5TestExecutionListener.java
+++ b/plugins/junit5_rt/src/com/intellij/junit5/JUnit5TestExecutionListener.java
@@ -50,7 +50,7 @@ public class JUnit5TestExecutionListener implements TestExecutionListener {
   private long myCurrentTestStart;
   private int myFinishCount;
   private String myRootName;
-  private Set<TestIdentifier> myRoots;
+  private Set<TestIdentifier> myRoots = new HashSet<>();
   private boolean mySuccessful;
 
   public JUnit5TestExecutionListener() {