yaml and ansible linting clean ups

roles/ensure_hostname/tasks/main.yml

@@ -1,6 +1,6 @@
 ---
 # tasks file for ensure_hostname
-- name: Set hostname if localhost
+- name: Set Hostname If Localhost
   when:
     - ansible_facts["system"] == 'Linux'
     - ansible_facts["fqdn"] == 'localhost.localdomain'

roles/ensure_hostname/tests/inventory

@@ -1,2 +0,0 @@
-localhost
-

roles/ensure_hostname/tests/test.yml

@@ -1,4 +0,0 @@
----
-- hosts: localhost
-  remote_user: root
-  roles: [ensure_hostname]