--- jsr166/src/test/tck/JSR166TestCase.java	2016/03/26 06:58:47	1.190
+++ jsr166/src/test/tck/JSR166TestCase.java	2016/05/22 01:09:21	1.192
@@ -519,7 +519,7 @@ public class JSR166TestCase extends Test
         // Java9+ test classes
         if (atLeastJava9()) {
             String[] java9TestClassNames = {
-                // Currently empty, but expecting varhandle tests
+                "ExecutorCompletionService9Test",
             };
             addNamedTestClasses(suite, java9TestClassNames);
         }
@@ -1833,4 +1833,12 @@ public class JSR166TestCase extends Test
         } catch (NoSuchElementException success) {}
         assertFalse(it.hasNext());
     }
+
+    public <T> Callable<T> callableThrowing(final Exception ex) {
+        return new Callable<T>() { public T call() throws Exception { throw ex; }};
+    }
+
+    public Runnable runnableThrowing(final RuntimeException ex) {
+        return new Runnable() { public void run() { throw ex; }};
+    }
 }