fix: tests

tests/crew_test.py

@@ -692,8 +692,8 @@ def test_agent_usage_metrics_are_captured_for_hierarchical_process():
     assert result == '"Howdy!"'
 
     assert crew.usage_metrics == {
-        "total_tokens": 507,
-        "prompt_tokens": 224,
+        "total_tokens": 1671,
+        "prompt_tokens": 1388,
         "completion_tokens": 283,
         "successful_requests": 3,
     }

tests/task_test.py

@@ -419,7 +419,7 @@ def test_increment_delegations_for_hierarchical_process():
     with patch.object(Task, "increment_delegations") as increment_delegations:
         increment_delegations.return_value = None
         crew.kickoff()
-        increment_delegations.assert_called_once
+        increment_delegations.assert_called_once()
 
 
 @pytest.mark.vcr(filter_headers=["authorization"])