def test_can_resolv_words(self):
     sort = Sorting([1, '45', 3, 'erf', '5'])
     self.assertEqual(sort.convert_to_array_of_int(), [1, 45, 3, 5])
 def test_can_convert_str_to_int(self):
     sort = Sorting([0, 1, '2', '45'])
     self.assertEqual(sort.convert_to_array_of_int(), [0, 1, 2, 45])