Move py_vulcanize/run_py_tests and make it disabled by default.

third_party/py_vulcanize/bin/run_py_tests

 #!/usr/bin/env python
 # Copyright 2015 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.
 
 import os
 import sys
 
-_CATAPULT = os.path.abspath(
-    os.path.join(os.path.dirname(__file__), os.path.pardir, os.path.pardir))
+_CATAPULT = os.path.abspath(os.path.join(
+    os.path.dirname(__file__), os.path.pardir, os.path.pardir, os.path.pardir))
 
 
 def _AddToPathIfNeeded(path):
   if path not in sys.path:
     sys.path.insert(0, path)
 
 
 if __name__ == '__main__':
   _AddToPathIfNeeded(_CATAPULT)
 
   from hooks import install
   if '--no-install-hooks' in sys.argv:
     sys.argv.remove('--no-install-hooks')
   else:
     install.InstallHooks()
 
+  # This flag is added only temporarily so that the tests can
+  # be re-enabled on the waterfall and fixed using try jobs.
+  # See https://github.com/catapult-project/catapult/issues/1584
+  if '--really-run' in sys.argv:
+    sys.argv.remove('--really-run')
+  else:
+    print 'Skipping test!'
+    sys.exit(0)
+
   from catapult_build import run_with_typ
   sys.exit(run_with_typ.Run(
       os.path.join(_CATAPULT, 'third_party', 'py_vulcanize')))