Add tempest api tests for security groups RBAC

Partial-Bug: #1817119
Depends-On: https://review.openstack.org/635311
Change-Id: I806d0c1763a0abc4f07a7c85922949b056ad78d8
diff --git a/.zuul.yaml b/.zuul.yaml
index 65e00b7..8c3be91 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -58,6 +58,7 @@
         - quotas
         - quota_details
         - rbac-policies
+        - rbac-security-groups
         - router
         - router_availability_zone
         - security-group