import unittest

class AmbiguousReferenceTest(unittest.TestCase):
    '''Tests the `AmbiguousReference` class.'''

    def setUp(self):
        pass

    def tearDown(self):
        pass



class BadReferenceTest(unittest.TestCase):
    '''Tests the `BadReference` class.'''

    def setUp(self):
        pass

    def tearDown(self):
        pass



if __name__ == '__main__':
    unittest.main()