Skip 3.19 test_reset_group_snapshot_status

This test has been intermittently failing for several months
so it's time to just skip it until someone starts investigating
it.

Change-Id: I2d8b5b145d244c8e8dd17cf5e9679a89bc74fbd8
Related-Bug: #1770179
diff --git a/tempest/api/volume/admin/test_group_snapshots.py b/tempest/api/volume/admin/test_group_snapshots.py
index 731a055..f695f51 100644
--- a/tempest/api/volume/admin/test_group_snapshots.py
+++ b/tempest/api/volume/admin/test_group_snapshots.py
@@ -215,6 +215,7 @@
     max_microversion = 'latest'
 
     @decorators.idempotent_id('3b42c9b9-c984-4444-816e-ca2e1ed30b40')
+    @decorators.skip_because(bug='1770179')
     def test_reset_group_snapshot_status(self):
         # Create volume type
         volume_type = self.create_volume_type()