Fix selinux in the new tests for the file module.

We had some incorrect logic for when selinux is installed and disabled.

tests_new/integration/roles/test_file/tasks/main.yml

@@ -98,13 +98,13 @@
   register: selinux_installed
 
 - name: determine if selinux is enabled
-  shell: getenforce | grep -q Disabled || echo yes
+  shell: getenforce | grep Disabled
   register: selinux_enabled
   when: selinux_installed.stdout != ""
   ignore_errors: true
 
 - include: selinux_tests.yml
-  when: selinux_enabled
+  when: selinux_enabled.stdout != "Disabled"
 
 - name: remote directory foobar
   file: path={{output_dir}}/foobar state=absent