Added isRunning().

git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@690 ed5b42cb-e716-0410-a449-f6a68f950b19

tests/src/java/com/threerings/openal/TestSoundManager.java

@@ -30,6 +30,9 @@ public class TestSoundManager
             public boolean isDispatchThread () {
                 return (current == Thread.currentThread());
             }
+            public boolean isRunning() {
+                return true;
+            }
         };
 
         final SoundManager smgr = SoundManager.createSoundManager(rqueue);