cinder: run all tests in the iSCSI exp job

Change-Id: I4ba06610604e1aad2505630421136e5656071595
diff --git a/zuul.d/sp-cinder.yaml b/zuul.d/sp-cinder.yaml
index f075e25..63671db 100644
--- a/zuul.d/sp-cinder.yaml
+++ b/zuul.d/sp-cinder.yaml
@@ -57,7 +57,8 @@
               iscsi_export_to: "\\\\*"
               iscsi_portal_group: pg
       tempest_test_regex: |
-        ^cinder_tempest_plugin
+        volume|^cinder_tempest_plugin
+#        ^cinder_tempest_plugin
 #        (^(tempest\.((api\..*volume)|scenario\.test_encrypted_cinder_volumes|scenario\.test_volume|scenario\.test_shelve_instance))|(cinder_tempest_plugin))
 
 - project: