def run(self):
        """
        Runs the unit test framework. Can be overridden to run anything.
        Returns True on passing and False on failure.
        """
        try:
            import nose
            arguments = [sys.argv[0]] + list(self.test_args)
            return nose.run(argv=arguments)
        except ImportError:
            print()
            print("*** Nose library missing. Please install it. ***")
            print()
            raise
Runs the unit test framework. Can be overridden to run anything.
        Returns True on passing and False on failure.