Allow port to be configured in Connection.

Author: andrew-chang-dewitt

test/helpers.py

@@ -44,5 +44,5 @@ def wrapped(instance: Any) -> None:
 
 def get_client() -> Client:
     """Create a client with placeholder connection data."""
-    conn_params = ConnectionParameters('a', 'a', 'a', 'a')
+    conn_params = ConnectionParameters('a', 'a', 'a', 'a', 'a')
     return Client(conn_params)