[#553] data_obj_test: tearDownClass is now a no-op

Author: d-w-moore

irods/test/data_obj_test.py

@@ -917,8 +917,7 @@ def setUpClass(cls):
 
     @classmethod
     def tearDownClass(cls):
-        # TODO: Skipping this will result in an interpreter seg fault for Py3.6 but not 3.11; why?
-        del cls.logins
+        pass
 
     def _data_object_and_associated_ticket(
         self,