testBug261722 Test case never ends if test fails

Signed-off-by: Rob Stryker <stryker@redhat.com>

org.eclipse.jdt.core.tests.model/src/org/eclipse/jdt/core/tests/model/JavaSearchBugsTests.java

@@ -10737,11 +10737,13 @@ public void run() {
 		    }
 		};
 		Thread thread = new Thread(search);
+		long start = System.currentTimeMillis();
+		long maxEnd = start + 20000;
 		thread.start();
 
 		// Delete project in current thread after being sure that the search
 		// request was started
-		while (requestor.count < (MAX/3)) {
+		while (requestor.count < (MAX/3) && System.currentTimeMillis() < maxEnd) {
 			Thread.sleep(10);
 		}
 		deleteProject(javaProject);