diff --git a/scripts/irods/test/test_prep_genquery_iterator.py b/scripts/irods/test/test_prep_genquery_iterator.py
index 0a0a4a6292..ce2085e6ae 100644
--- a/scripts/irods/test/test_prep_genquery_iterator.py
+++ b/scripts/irods/test/test_prep_genquery_iterator.py
@@ -1045,25 +1045,27 @@ def test_genquery_iterator_allows_close_member_function_to_be_called_multiple_ti
             attr_name = 'test_genquery_iterator_allows_close_member_function_to_be_called_multiple_times__issue_7909'
             attr_value = 'success'
 
-            # The following rule calls the close() member function of the Query class multiple
-            # times and then attaches an AVU to the session collection. The AVU is used to
-            # indicate success.
-            core.add_rule(dedent(f'''
-            def pep_api_touch_pre(rule_args, callback, rei):
-                from genquery import Query, Parser
-                query = Query(callback, 'COLL_NAME', "COLL_NAME = '{self.admin.session_collection}'", parser=Parser.GENQUERY2)
-                for _ in query:
-                    pass
-                query.close()
-                query.close()
-                query.close()
-                callback.msiModAVUMetadata('-C', '{self.admin.session_collection}', 'add', '{attr_name}', '{attr_value}', '')
-            '''))
-
-            # Trigger the PEP.
-            self.admin.assert_icommand(['itouch', 'issue_7909'], 'STDERR')
-
-            # Show the AVU is now attached to the session collection with the expected attribute value.
-            self.admin.assert_icommand(['imeta', 'ls', '-C', self.admin.session_collection], 'STDOUT', [
-                f'attribute: {attr_name}\nvalue: {attr_value}\n'
-            ])
+            for parser in ['GENQUERY1', 'GENQUERY2']:
+                with self.subTest(f'Using [{parser}]'):
+                    # The following rule calls the close() member function of the Query class multiple
+                    # times and then attaches an AVU to the session collection. The AVU is used to
+                    # indicate success.
+                    core.add_rule(dedent(f'''
+                    def pep_api_touch_pre(rule_args, callback, rei):
+                        from genquery import Query, Parser
+                        query = Query(callback, 'COLL_NAME', "COLL_NAME = '{self.admin.session_collection}'", parser=Parser.{parser})
+                        for _ in query:
+                            pass
+                        query.close()
+                        query.close()
+                        query.close()
+                        callback.msiModAVUMetadata('-C', '{self.admin.session_collection}', 'add', '{attr_name}', '{parser}={attr_value}', '')
+                    '''))
+
+                    # Trigger the PEP.
+                    self.admin.assert_icommand(['itouch', 'issue_7909'], 'STDERR')
+
+                    # Show the AVU is now attached to the session collection with the expected attribute value.
+                    self.admin.assert_icommand(['imeta', 'ls', '-C', self.admin.session_collection], 'STDOUT', [
+                        f'attribute: {attr_name}\nvalue: {parser}={attr_value}\n'
+                    ])