[pyauto] Initialize PyUITestSuite before loading tests

chrome/test/pyautolib/pyauto.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 """PyAuto: Python Interface to Chromium's Automation Proxy.
 
 PyAuto uses swig to expose Automation Proxy interfaces to Python.
 For complete documentation on the functionality available,
 run pydoc on this file.
@@ skipping 5017 matching lines @@
         print >>sys.stderr, 'Invalid sharding params: %s' % self._options.shard
         sys.exit(1)
       test_names = pyauto_utils.Shard(test_names, shard_index, num_shards)
 
     test_names *= self._options.repeat
     logging.debug("Loading %d tests from %s", len(test_names), test_names)
     if self._options.list_tests:  # List tests and exit
       for name in test_names:
         print name
       sys.exit(0)
+    pyauto_suite = PyUITestSuite(suite_args)
     loaded_tests = unittest.defaultTestLoader.loadTestsFromNames(test_names)
-    pyauto_suite = PyUITestSuite(suite_args)
     pyauto_suite.addTests(loaded_tests)
     verbosity = 1
     if self._options.verbose:
       verbosity = 2
     result = PyAutoTextTestRunner(verbosity=verbosity).run(pyauto_suite)
     del loaded_tests  # Need to destroy test cases before the suite
     del pyauto_suite
     successful = result.wasSuccessful()
     if not successful:
       pyauto_tests_file = os.path.join(self.TestsDir(), self._tests_filename)
       print >>sys.stderr, 'Tests can be disabled by editing %s. ' \
                           'Ref: %s' % (pyauto_tests_file, _PYAUTO_DOC_URL)
     sys.exit(not successful)
 
 
 if __name__ == '__main__':
   Main()