Break the circular dependency in the new mojom bindings generation pipeline.

mojo/tools/run_mojom_translator_python_tests.py

 #!/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 unittest
 import os
 import sys
 
 from mopy.mojo_python_tests_runner import MojoPythonTestRunner
@@ skipping 14 matching lines @@
   def get_test_suite(self, loader, pylib_dir):
     if pylib_dir not in sys.path:
       sys.path.append(pylib_dir)
     suite = unittest.TestSuite()
     suite.addTests(loader.loadTestsFromName(self._test_module))
     return suite
 
 
 
 def main():
-  test_dir = os.path.join('mojo', 'public', 'tools', 'bindings', 'pylib')
-  test_module = 'mojom.generate.mojom_translator_unittest'
+  test_dir = os.path.join(
+      'mojo', 'public', 'tools', 'bindings', 'pylib', 'mojom', 'generate')
+  test_module = 'mojom_translator_unittest'
   runner = PythonMojomTestRunner(test_dir, test_module=test_module)
   sys.exit(runner.run())
 
 if __name__ == '__main__':
   sys.exit(main())