Remove / assertion in fastapi old test

Author: tomaisthorpe

end2end/fastapi_old_test.py

@@ -65,5 +65,4 @@ def test_initial_heartbeat():
     assert len(heartbeat_events) == 1
     routes = heartbeat_events[0]["routes"]
     route_paths = sorted([r["path"] for r in routes])
-    assert "/" in route_paths
     assert "/sync_route" in route_paths