Remove 'pkg' from the default list of test suites

tools/bots/cross-vm.py

 #!/usr/bin/python
 # Copyright (c) 2013, 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.
 
 import os
 import re
 import sys
 
 import bot
@@ skipping 50 matching lines @@
       raise Exception("Invalid annotated steps run")
   finally:
     for path in temporary_files:
       if os.path.exists(path):
         os.remove(path)
 
 def target_builder(arch, mode, total_shards, shard_index):
   test_py = os.path.join('tools', 'test.py')
   test_args = [sys.executable, test_py, '--progress=line', '--report',
                '--time', '--compiler=none', '--runtime=vm', '--write-debug-log',
-               '--write-test-outcome-log', '--mode=' + mode, '--arch=' + arch,
-               '--exclude-suite=pkg']
+               '--write-test-outcome-log', '--mode=' + mode, '--arch=' + arch]
   if total_shards and shard_index:
     test_args.append('--shards=%s' % total_shards)
     test_args.append('--shard=%s' % shard_index)
 
   revision = os.environ['BUILDBOT_GOT_REVISION']
   tarball = tarball_name(arch, mode, revision)
   temporary_files = [tarball]
   bot.Clobber()
   try:
     with bot.BuildStep('Fetch build tarball'):
@@ skipping 30 matching lines @@
     total_shards = target_vm_pattern_match.group(4)
     target_builder(arch, mode, total_shards, shard_index)
   else:
     raise Exception("Unknown builder name %s" % name)
 
 if __name__ == '__main__':
   try:
     sys.exit(main())
   except OSError as e:
     sys.exit(e.errno)