[skip ci]disable test_config and some cases in test_ping (#3151)

Signed-off-by: NWang Xiangyu <xy.wang@zilliz.com>

tests/milvus_python_test/test_ping.py

@@ -117,6 +117,7 @@ class TestPingDisconnect:
         with pytest.raises(Exception) as e:
             res = dis_connect.server_status()
 
+    @pytest.mark.level(2)
     def test_server_version_with_timeout(self, connect):
         '''
         target: test get the server status with timeout settings after disconnect