Do not remove server_groups from default_quota_set

server_groups and server_group_members are removed from
default_quota_set temporarily, and now Nova's client
already supports these two items, so there is no need
to skip them now.

http://developer.openstack.org/api-ref/compute/update-quotas-detail

Change-Id: I64996f6ec5153a68dd25fa2d5a7b66eaa245bfd3
diff --git a/tempest/api/compute/admin/test_quotas.py b/tempest/api/compute/admin/test_quotas.py
index 7d97ce2..ce0adb4 100644
--- a/tempest/api/compute/admin/test_quotas.py
+++ b/tempest/api/compute/admin/test_quotas.py
@@ -74,7 +74,8 @@
                          'ram': 10240, 'floating_ips': 20, 'fixed_ips': 10,
                          'key_pairs': 200, 'injected_file_path_bytes': 512,
                          'instances': 20, 'security_group_rules': 20,
-                         'cores': 2, 'security_groups': 20}
+                         'cores': 2, 'security_groups': 20,
+                         'server_groups': 20, 'server_group_members': 20}
         # Update limits for all quota resources
         quota_set = self.adm_client.update_quota_set(
             self.demo_tenant_id,
@@ -82,13 +83,6 @@
             **new_quota_set)['quota_set']
 
         default_quota_set.pop('id')
-        # NOTE(PhilDay) The following is safe as we're not updating these
-        # two quota values yet.  Once the Nova change to add these is merged
-        # and the client updated to support them this can be removed
-        if 'server_groups' in default_quota_set:
-            default_quota_set.pop('server_groups')
-        if 'server_group_members' in default_quota_set:
-            default_quota_set.pop('server_group_members')
         self.addCleanup(self.adm_client.update_quota_set,
                         self.demo_tenant_id, **default_quota_set)
         for quota in new_quota_set: