Fix the build breakages caused by r19742.

pkg/pkg.status

 # Copyright (c) 2012, 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.
 
 # Run this test manually to verify that the fixnum library produces
 # the same results as native ints on a set of directed and random inputs.
 # Skip it when running automated tests because it times out.  This
 # test only makes sense on runtimes that support 64-bit integer
 # arithmetic natively, i.e., the VM.
 fixnum/test/int_64_vm_test: Skip
 
 # Skip non-test files ending with "_test".
 scheduled_test/lib/*: Skip
 
 [$compiler == dart2dart]
 *: Skip
 
+[ $system == macos ]
+scheduled_test/test/scheduled_test_test: Crash # Issue 9021
+
 # Don't compile tests that use dart:io to JS
 [ $compiler == dart2js || $compiler == dart2dart ]
 http/test/*: Skip
 oauth2/test/*: Skip
 pathos/test/*: Skip
 
 # Issue 8440 forces us to use pathos in the scheduled_test tests, which would
 # otherwise be dart2js-compatible.
 scheduled_test/test/*: Skip
 
@@ skipping 64 matching lines @@
 *: Skip
 
 [ $arch == simarm ]
 *: Skip
 
 [ $arch == mips ]
 *: Skip
 
 [ $arch == simmips ]
 *: Skip