old_contents: #!/usr/bin/python
  
  import unittest
  
  import sys; sys.path.append("../")
  from Selector import Selector
  
  if __name__=="__main__":
      unittest.main()
  
new_contents: #!/usr/bin/python
  
  import unittest
  
  import sys; sys.path.append("../")
  from Selector import Selector
  
  class SmokeTests_Selector(unittest.TestCase):
      def test_SmokeTest(self):
          """__init__ - Called with no arguments succeeds"""
          S = Selector()
          self.assert_(isinstance(S, Axon.Component.component))
  
  if __name__=="__main__":
      unittest.main()
  
subject: Add the most basic smoke test. We make a check that the resulting object is a minimal component at least.