new_contents: #!/usr/bin/env python
  """
  mbed SDK
  Copyright (c) 2011-2015 ARM Limited
  
  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 unittest
  from mbed_lstools.lstools_ubuntu import MbedLsToolsUbuntu
  
  class UbuntuPortTestCase(unittest.TestCase):
      """ Basic test cases checking trivial asserts
      """
  
      def setUp(self):
          self.linux_ubuntu = MbedLsToolsUbuntu()
  
      def tearDown(self):
          pass
  
      def test_os_support(self):
          self.assertIn("Ubuntu", self.linux_ubuntu.os_supported)
  
  
  if __name__ == '__main__':
      unittest.main()
  
subject: Add basic unit tests for Ubuntu specific platform