Remove custom tests

Author: carenthomas

tests/custom/test_client.py

@@ -1,3 +1,4 @@
+'''
 import os
 import pytest
 from typing import Generator
@@ -189,3 +190,4 @@ def test_send_message_with_streaming(client, agent) -> None:
     assert len(messages) > 0
     user_message = [msg for msg in messages if msg.message_type == "user_message"][-1]
     assert message_text in user_message.message
+'''