Move tests out of corelib into scalarlist

tests/lib/scalarlist/scalarlist.status

Index: tests/lib/scalarlist/scalarlist.status
diff --git a/runtime/lib/async_sources.gypi b/tests/lib/scalarlist/scalarlist.status
similarity index 55%
copy from runtime/lib/async_sources.gypi
copy to tests/lib/scalarlist/scalarlist.status
index a64243dad61251dc1aa605fe20444a77a06bdeba..4fb44bb11953c98d82959754d64300465957a0bd 100644
--- a/runtime/lib/async_sources.gypi
+++ b/tests/lib/scalarlist/scalarlist.status
@@ -2,10 +2,7 @@
 # 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.
 
-# This file contains all sources for the dart:isolate library.
-{
-  'sources': [
-    'timer_patch.dart',
-    'deferred_load_patch.dart',
-  ],
-}
+# The scalarlist library is not supported by dart2js or dart2dart yet.
+[ $compiler == dart2js  || $compiler == dart2dart ]
+float32x4_list_test: Fail
+float32x4_test: Fail