diff --git a/manila_tempest_tests/tests/api/admin/test_share_group_types_negative.py b/manila_tempest_tests/tests/api/admin/test_share_group_types_negative.py
index 18e8cdd..6dfe204 100644
--- a/manila_tempest_tests/tests/api/admin/test_share_group_types_negative.py
+++ b/manila_tempest_tests/tests/api/admin/test_share_group_types_negative.py
@@ -70,6 +70,15 @@
             "x" * 256, client=self.admin_shares_v2_client)
 
     @tc.attr(base.TAG_NEGATIVE, base.TAG_API)
+    def test_create_share_group_type_with_wrong_value_for_group_specs(self):
+        self.assertRaises(
+            lib_exc.BadRequest,
+            self.admin_shares_v2_client.create_share_group_type,
+            name=data_utils.rand_name("tempest_manila"),
+            share_types=[self.share_type['share_type']['id']],
+            group_specs="expecting_error_code_400")
+
+    @tc.attr(base.TAG_NEGATIVE, base.TAG_API)
     def test_get_share_group_type_using_nonexistent_id(self):
         self.assertRaises(
             lib_exc.NotFound,
diff --git a/manila_tempest_tests/tests/api/base.py b/manila_tempest_tests/tests/api/base.py
index 236351d..3df7153 100644
--- a/manila_tempest_tests/tests/api/base.py
+++ b/manila_tempest_tests/tests/api/base.py
@@ -595,7 +595,8 @@
                                 group_specs=None, client=None,
                                 cleanup_in_class=True, **kwargs):
         client = client or cls.shares_v2_client
-        if group_specs is None:
+        if (group_specs is None and
+                CONF.share.capability_sg_consistent_snapshot_support):
             group_specs = {
                 'consistent_snapshot_support': (
                     CONF.share.capability_sg_consistent_snapshot_support),