fix: Add missing imports in conftest.py (Path, sys)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: Akhileswara-Microsoft

conftest.py

@@ -2,6 +2,9 @@
 Test configuration for agent tests.
 """
 
+import sys
+from pathlib import Path
+
 import pytest
 
 # Add the agents path