def test_check_for_duplicates_pop(self):
     res = check_for_duplicates('3.1.3', self.mock_steps2)
     self.assertEqual(res, [self.mock_steps2[0]])
 def test_check_for_null_duplicates(self):
     res = check_for_duplicates('3.1.3', [])
     self.assertEqual(res, [])