Adds stateful parameter to security groups

This is a missing option.

Change-Id: Ic7b43093d9c35de8962978e9ee108cf7b5379fcd

ci/roles/security_group/tasks/main.yml

@@ -72,4 +72,25 @@
      name: ansible_security_group
      state: absent
 
+- name: Create stateless security group
+  openstack.cloud.security_group:
+     cloud: "{{ cloud }}"
+     name: ansible_security_group_stateless
+     stateful: false
+     state: present
+     description: 'Created from Ansible playbook'
+  register: security_group_stateless
+
+- name: Assert return values of security_group module
+  assert:
+    that:
+      - security_group_stateless.security_group.name == 'ansible_security_group_stateless'
+      - security_group_stateless.security_group.stateful == False
+
+- name: Delete stateless security group
+  openstack.cloud.security_group:
+     cloud: "{{ cloud }}"
+     name: ansible_security_group_stateless
+     state: absent
+
 - include_tasks: rules.yml