unittest test_conpy175 fails with sql_mode="NO_BACKSLASH_ESCAPES"

    def test_conpy175(self):

        default_conf = conf()

        c1 = mariadb.connect(**default_conf)

        str = "Bob's"

        newstr = c1.escape_string(str)

        if c1.server_status & STATUS.NO_BACKSLASH_ESCAPES:

            self.assertEqual(newstr, "Bob''s")

        else:

            self.assertEqual(newstr, "Bob\\'s")

        c1.close()