diff --git a/tests/test_cli_prefix_matching.py b/tests/test_cli_prefix_matching.py
index 617cee9ae..ffec91957 100644
--- a/tests/test_cli_prefix_matching.py
+++ b/tests/test_cli_prefix_matching.py
@@ -9,6 +9,8 @@ def _make_cli():
     cli_obj.console = MagicMock()
     cli_obj.agent = None
     cli_obj.conversation_history = []
+    cli_obj.session_id = None
+    cli_obj._pending_input = MagicMock()
     return cli_obj