old_contents: # Copyright 2012 Google Inc. All Rights Reserved.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #      http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS-IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  import subprocess
  import unittest
  
  
  class JavaScriptTests(unittest.TestCase):
  
      def test_with_karma(self):
          subprocess.call([
              'third_party/node-0.10.1/bin/karma', 'start', 'oppia/tests/karma.conf.js'])
  
new_contents: # Copyright 2012 Google Inc. All Rights Reserved.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #      http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS-IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  import subprocess
  import unittest
  
  
  class JavaScriptTests(unittest.TestCase):
  
      def test_with_karma(self):
      	return_code = subprocess.call([
              'third_party/node-0.10.1/bin/karma', 'start',
              'oppia/tests/karma.conf.js'])
      	self.assertEqual(return_code, 0)
  
subject: Make failing Karma tests actually count as failures.