diff --git a/org.eclipse.jdt.debug.tests/tests/org/eclipse/jdt/debug/tests/ui/OpenFromClipboardTests.java b/org.eclipse.jdt.debug.tests/tests/org/eclipse/jdt/debug/tests/ui/OpenFromClipboardTests.java
index b8fe58d..135b960 100644
--- a/org.eclipse.jdt.debug.tests/tests/org/eclipse/jdt/debug/tests/ui/OpenFromClipboardTests.java
+++ b/org.eclipse.jdt.debug.tests/tests/org/eclipse/jdt/debug/tests/ui/OpenFromClipboardTests.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- *  Copyright (c) 2010, 2015 IBM Corporation and others.
+ *  Copyright (c) 2010, 2018 IBM Corporation and others.
  *  All rights reserved. This program and the accompanying materials
  *  are made available under the terms of the Eclipse Public License v1.0
  *  which accompanies this distribution, and is available at
@@ -24,6 +24,7 @@
 import org.eclipse.jdt.core.IPackageFragmentRoot;
 import org.eclipse.jdt.core.JavaModelException;
 import org.eclipse.jdt.debug.testplugin.JavaProjectHelper;
+import org.eclipse.jdt.debug.tests.TestAgainException;
 import org.eclipse.jdt.internal.debug.ui.actions.OpenFromClipboardAction;
 import org.eclipse.jdt.launching.IVMInstall;
 import org.eclipse.jdt.launching.JavaRuntime;
@@ -477,6 +478,9 @@
 
 		setupMemberTest();
 		List<?> matches = getJavaElementMatches(s);
+		if (matches.size() != 1) {
+			throw new TestAgainException("testQualifiedName_1 test again");
+		}
 		assertEquals(1, matches.size());
 	}