def test_phone_parser_parens(self):
     phone = BusinessCardParser.parse_phone_number(test_string_1)
     self.assertEqual('4105551234', phone)
 def test_phone_parser_prefix_one(self):
     phone = BusinessCardParser.parse_phone_number(test_string_3)
     self.assertEqual('17035551259', phone)
 def test_phone_parser_extension_case_2(self):
     phone = BusinessCardParser.parse_phone_number(test_string_5)
     self.assertEqual('4105551234x555', phone)