fix status files

TBR
diff --git a/.status b/.status
index e9f2b00..ff095a2 100644
--- a/.status
+++ b/.status
@@ -1,3 +1,15 @@
 # Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 # 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.
+
+# Skip non-test files ending with "_test".
+packages/*: Skip
+*/packages/*: Skip
+*/*/packages/*: Skip
+*/*/*/packages/*: Skip
+*/*/*/*packages/*: Skip
+*/*/*/*/*packages/*: Skip
+
+# Only run tests from the build directory, since we don't care about the
+# difference between transformed an untransformed code.
+test/*: Skip