Mojom backend: Stop re-computing version info and field packing data.

mojo/public/tools/bindings/pylib/mojom/generate/run_tests.py

 #!/usr/bin/env python
 # Copyright 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """ Test runner for Mojom """
 
 import subprocess
 import sys
 
 def TestMojom(testname, args):
   print '\nRunning unit tests for %s.' % testname
   try:
     args = [sys.executable, testname] + args
     subprocess.check_call(args, stdout=sys.stdout)
     print 'Succeeded'
     return 0
   except subprocess.CalledProcessError as err:
     print 'Failed with %s.' % str(err)
     return 1
 
 
 def main(args):
   errors = 0
   errors += TestMojom('module_tests.py', ['--test'])
-  errors += TestMojom('pack_tests.py', ['--test'])
 
   if errors:
     print '\nFailed tests.'
   return min(errors, 127)  # Make sure the return value doesn't "wrap".
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))