Fix test breakage on MySQL

            )

        # Ensure the field is right afterwards

        columns = self.column_classes(Author)

        self.assertEqual(columns['bits'][0], "BinaryField")

        # MySQL annoyingly uses the same backend, so it'll come back as one of

        # these two types.

        self.assertIn(columns['bits'][0], ("BinaryField", "TextField"))

    def test_alter(self):

        """