Make setVersion test a little faster

dom/indexedDB/test/test_setVersion.html

@@ -70,13 +70,14 @@ function testSteps()
         ok(objectStoreNumber > callbackCount, "more outstanding creates");
         lastObjectStore = objectStoreNumber;
 
+        SimpleTest.executeSoon(function() { continueCreating = false; });
+
         request = db.setVersion("11");
         request.onerror = errorHandler;
         request.onsuccess = function() {
           is(event.transaction.mode, READ_WRITE, "Not FULL_LOCK");
           is(callbackCount, lastObjectStore,
              "Version callback happened before other creates");
-          continueCreating = false;
         }
       }
     }