refactor: remove unused imports from test files for improved code quality

Author: Kingshuk-Microsoft

src/tests/backend/v4/common/services/test_mcp_service.py

@@ -15,7 +15,7 @@
 import asyncio
 import importlib.util
 from unittest.mock import patch, MagicMock
-from aiohttp import ClientTimeout, ClientError
+from aiohttp import ClientError
 
 # Add the src directory to sys.path for proper import
 src_path = os.path.join(os.path.dirname(__file__), '..', '..', '..', '..')

src/tests/backend/v4/common/services/test_plan_service.py

@@ -18,7 +18,7 @@
 import logging
 import importlib.util
 from unittest.mock import patch, MagicMock, AsyncMock
-from typing import Any, Optional, List
+from typing import Any, List
 from dataclasses import dataclass
 
 # Add the src directory to sys.path for proper import

src/tests/backend/v4/magentic_agents/test_proxy_agent.py

@@ -57,7 +57,7 @@
 
 
 # Now import the module under test
-from backend.v4.magentic_agents.proxy_agent import create_proxy_agent
+import backend.v4.magentic_agents.proxy_agent
 
 
 class TestProxyAgentComplexScenarios:

src/tests/backend/v4/orchestration/test_orchestration_manager.py

@@ -7,7 +7,6 @@
 import logging
 import os
 import sys
-from typing import List
 from unittest import IsolatedAsyncioTestCase
 from unittest.mock import AsyncMock, Mock, patch