def test_message(self):
assert (str(InvalidURL("https://www.google.com")) ==
"Invalid URL: https://www.google.com")
def test_custom_message(self):
assert (str(
InvalidURL("https://www.google.com", message="Test custom {}")) ==
"Test custom https://www.google.com")
def test_inheritance(self):
assert isinstance(InvalidURL(None), ClientException)