diff --git a/lib/galaxy_test/api/test_group_roles.py b/lib/galaxy_test/api/test_group_roles.py
index f0c5450fc36..67b00527ec3 100644
--- a/lib/galaxy_test/api/test_group_roles.py
+++ b/lib/galaxy_test/api/test_group_roles.py
@@ -11,7 +11,7 @@ class GroupRolesApiTestCase(ApiTestCase):
         self.dataset_populator = DatasetPopulator(self.galaxy_interactor)
 
     def test_index(self, group_name: str = None):
-        group_name = group_name or "test-group"
+        group_name = group_name or "test-group_roles"
         group = self._create_group(group_name)
         encoded_group_id = group["id"]
 
diff --git a/lib/galaxy_test/api/test_group_users.py b/lib/galaxy_test/api/test_group_users.py
index 2714a66cd40..7f1045e6851 100644
--- a/lib/galaxy_test/api/test_group_users.py
+++ b/lib/galaxy_test/api/test_group_users.py
@@ -11,7 +11,7 @@ class GroupUsersApiTestCase(ApiTestCase):
         self.dataset_populator = DatasetPopulator(self.galaxy_interactor)
 
     def test_index(self, group_name: str = None):
-        group_name = group_name or "test-group"
+        group_name = group_name or "test-group_users"
         group = self._create_group(group_name)
         encoded_group_id = group["id"]