changed test_list_flows_empty to use test_server instead

Signed-off-by: Omswastik-11 <omswastikpanda11@gmail.com>

Author: Omswastik-11

tests/test_flows/test_flow_functions.py

@@ -67,9 +67,9 @@ def test_list_flows_output_format(self):
         assert isinstance(flows, pd.DataFrame)
         assert len(flows) >= 1500
 
-    @pytest.mark.production()
+    @pytest.mark.use_test_server()
     def test_list_flows_empty(self):
-        self.use_production_server()
+        # self.use_production_server()
         flows = openml.flows.list_flows(tag="NoOneEverUsesThisTag123")
         assert flows.empty