'L{PythonPath} implements the C{in} operator so that when it is the
right-hand argument and the name of a module which does not exist on
that L{PythonPath} is the left-hand argument, the result is C{False}.'

def test_doesntContainModule(self):

    thePath = modules.PythonPath()
    self.assertNotIn('bogusModule', thePath)
