fix(backend): 修复单元测试test_base.py的相关代码 #16093

# Reviewed, transaction id: 74120

Author: WuFantaotao

dbm-ui/backend/tests/components/test_base.py

@@ -134,7 +134,13 @@ def test_call_raise_exception_on_failure(self, mock_session):
         mock_resp = MagicMock()
         mock_resp.status_code = 200
         mock_resp.json.return_value = {"result": False, "message": "error", "code": 1}
-        mock_session.return_value.request.return_value = mock_resp
+        
+        # 设置完整的mock session
+        mock_session_instance = MagicMock()
+        mock_session_instance.request.return_value = mock_resp
+        mock_session_instance.headers = {}
+        mock_session_instance.cookies = {}
+        mock_session.return_value = mock_session_instance
 
         api = DataAPI(method="GET", base="http://test.com", url="/api/test", module="test")
         with pytest.raises(ApiResultError):