[NaCl SDK] cleanup python unittests

native_client_sdk/src/build_tools/tests/sdktools_commands_test.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.
 
 import os
 import sys
 import re
 import tarfile
 import tempfile
 import unittest
-from test_sdktools import SdkToolsTestCase
+from sdktools_test import SdkToolsTestCase
 
 SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
 BUILD_TOOLS_DIR = os.path.dirname(SCRIPT_DIR)
 TOOLS_DIR = os.path.join(os.path.dirname(BUILD_TOOLS_DIR), 'tools')
 
 sys.path.extend([BUILD_TOOLS_DIR, TOOLS_DIR])
 import manifest_util
 import oshelpers
 
 
@@ skipping 195 matching lines @@
 
   def testUpdateUnknownBundles(self):
     """The update command should ignore unknown bundles and notify the user."""
     self._WriteManifest()
     output = self._Run(['update', 'foobar'])
     self.assertTrue('unknown bundle' in output)
 
 
 if __name__ == '__main__':
   sys.exit(unittest.main())