Revert "Disable skip volume_from_snapshot_cascade_delete"

This reverts commit be2b0205ec7142dddff5728a0caed76c56ff2573.

We must skip this test by default

Change-Id: I955703e96b622099da050ddc891d3dd103d4fdce
diff --git a/tempest/api/volume/test_volume_delete_cascade.py b/tempest/api/volume/test_volume_delete_cascade.py
index 69c3ab1..bb32c11 100644
--- a/tempest/api/volume/test_volume_delete_cascade.py
+++ b/tempest/api/volume/test_volume_delete_cascade.py
@@ -15,6 +15,7 @@
 
 import operator
 
+import testtools
 
 from tempest.api.volume import base
 from tempest import config
@@ -74,6 +75,8 @@
         self._assert_cascade_delete(volume['id'])
 
     @decorators.idempotent_id('59a77ede-609b-4ee8-9f68-fc3c6ffe97b5')
+    @testtools.skipIf(CONF.volume.storage_protocol == 'ceph',
+                      'Skip because of Bug#1677525')
     def test_volume_from_snapshot_cascade_delete(self):
         # The case validates the ability to delete a volume with
         # associated snapshot while there is another volume created