fix molecule playbook and add missing test

molecule/default/playbook.yml

@@ -1,5 +1,8 @@
 ---
 - name: Converge
   hosts: all
+  vars:
+    selinux_state: enforcing
+
   roles:
     - role: xoxys.selinux

molecule/default/tests/test_default.py

@@ -10,5 +10,6 @@ testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
 
 
 def test_selinux_setup(host):
-    assert host.command.check_output('/usr/sbin/getenforce') == 'Enforcing'
-    assert host.package('policycoreutils-python').is_installed
+    assert host.command.check_output("/usr/sbin/getenforce") == "Enforcing"
+    assert host.package("policycoreutils-python").is_installed
+    assert host.file("/.autorelabel").exists