def METHOD_NAME(self, webpubsub_endpoint):
    client = self.create_client(endpoint=webpubsub_endpoint, hub='hub')
    access_token = client.get_client_access_token()
    assert len(access_token) == 3
    assert access_token['baseUrl'][:3] == "wss"
    assert access_token['token']
    assert access_token['url'][:3] == "wss"