fix(agent/tests): Fix code execution tests

- Add unique agent ID to mock agent in `conftest.py`

autogpts/autogpt/tests/conftest.py

@@ -1,4 +1,5 @@
 import os
+import uuid
 from pathlib import Path
 from tempfile import TemporaryDirectory
 
@@ -129,6 +130,7 @@ def agent(
     agent_settings = AgentSettings(
         name=Agent.default_settings.name,
         description=Agent.default_settings.description,
+        agent_id=f"AutoGPT-test-agent-{str(uuid.uuid4())[:8]}",
         ai_profile=ai_profile,
         config=AgentConfiguration(
             fast_llm=config.fast_llm,