Basic support for dev_compiler in test.dart.

tests/lib/lib.status

Index: tests/lib/lib.status
diff --git a/tests/lib/lib.status b/tests/lib/lib.status
index be86f4c86f7d75705c7e62dd7b7e02d23359b556..8da8ee04d3fbeb8999298fa4af3988ad5eeb459e 100644
--- a/tests/lib/lib.status
+++ b/tests/lib/lib.status
@@ -2,6 +2,9 @@
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
+[ $strong ]
+*: SkipByDesign # tests/lib_strong has the strong mode versions of these tests.
+
 [ ! $checked ]
 mirrors/redirecting_factory_different_type_test: SkipByDesign # Tests type checks.