Create test group in Default domain

When enabling multidomains with miltibackends keystone
returns groups only for domain specified in token.
Since modules doesn't allow to specify domain_id
when searching groups (new identity with test domain might
be used, but we don't want to change deployment by test,)
environment

Change-Id: If981c1645c846a1de981234d7a36f8162a07e7d3
diff --git a/runtest/salttest/modules/openstack/keystonev3.sls b/runtest/salttest/modules/openstack/keystonev3.sls
index 1646a49..0533415 100644
--- a/runtest/salttest/modules/openstack/keystonev3.sls
+++ b/runtest/salttest/modules/openstack/keystonev3.sls
@@ -36,12 +36,13 @@
     - require:
       - keystonev3_domain_create
 
+{# Use Default domain here as we can't specify domain when removing group #}
 keystonev3_group_create:
   module.run:
     - name: keystonev3.group_create
     - kwargs:
         cloud_name: admin_identity
-        domain_id: {{ Keystone_Test_Domain }}
+        domain_id: Default
         name: {{ Keystone_Test_Group }}
     - require:
       - keystonev3_domain_create
@@ -223,7 +224,6 @@
         cloud_name: admin_identity
     - require:
       - keystonev3_user_create
-      - keystonev3_group_create
 
 keystonev3_role_list:
   module.run: