Mark tests that use Timer as failing on dart2js.

pkg/pkg.status

Index: pkg/pkg.status
diff --git a/pkg/pkg.status b/pkg/pkg.status
index c3223fba095480420e4066634e3cf56cc3aafd96..aa9e2b76c8bfbd54c8a7933f141687b88def4ebd 100644
--- a/pkg/pkg.status
+++ b/pkg/pkg.status
@@ -44,8 +44,21 @@ intl/test/date_time_format_http_request_test: Skip
 # Skip intl_message tests that use mirrors on dart2js until it's been
 # implemented there.
 [ $compiler == dart2js ]
+args/test/args_test: Fail # Timer interface not supported; dartbug.com/7728.
+intl/test/bidi_format_test: Fail # Timer interface not supported; dartbug.com/7728.
+intl/test/bidi_utils_test: Fail # Timer interface not supported; dartbug.com/7728.
+intl/test/date_time_format_local_even_test: Fail # Timer interface not supported; dartbug.com/7728.
+intl/test/date_time_format_local_odd_test: Fail # Timer interface not supported; dartbug.com/7728.
+intl/test/date_time_format_uninitialized_test: Fail # Timer interface not supported; dartbug.com/7728.
 intl/test/intl_message_test: Skip
 intl/test/intl_message_basic_example_test: Skip
+intl/test/intl_test: Fail # Timer interface not supported; dartbug.com/7728.
+intl/test/number_format_test: Fail # Timer interface not supported; dartbug.com/7728.
+logging/test/logging_test: Fail # Timer interface not supported; dartbug.com/7728.
+serialization/test/polyfill_identity_map_test: Fail # Timer interface not supported; dartbug.com/7728.
+unittest/test/matchers_test: Fail # Timer interface not supported; dartbug.com/7728.
+unittest/test/mock_test: Fail # Timer interface not supported; dartbug.com/7728.
+unittest/test/unittest_test: Fail # Timer interface not supported; dartbug.com/7728.
 serialization/test/serialization_test: Skip
 
 [ $compiler == dartc ]