yamllint: All tasks need to be named

yamllint is failing for unnamed tasks. All block and include_tasks tasks
are now named.

tests/role/env_facts.yml

@@ -1,5 +1,6 @@
 ---
-- block:
+- name: Ensure ipaserver_domain is set
+  block:
   - name: Get Domain from server name
     ansible.builtin.set_fact:
       ipaserver_domain: "{{ ansible_facts['fqdn'].split('.')[1:] | join ('.') }}"