Fix group name.
diff --git a/test/async_helpers_test.dart b/test/async_helpers_test.dart
index 2622d2b..a2363f9 100644
--- a/test/async_helpers_test.dart
+++ b/test/async_helpers_test.dart
@@ -39,7 +39,7 @@
     });
   });
 
-  group('Clock', () {
+  group('Clock.waitFor', () {
     var clock = new FakeClock();
 
     test('that returns a string', () async {