[template] file_(group)owner file_permission improvement

[alanmcanonical]

Description:

• tests: create dummy file in case the folder is empty
• tests & ansible: align with Fix "unknown predicate `-L'" #12536

[openshift-ci]

Hi @alanmcanonical. Thanks for your PR.

I'm waiting for a ComplianceAsCode member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[codeclimate]

Code Climate has analyzed commit 68d4d8d and detected 0 issues on this pull request.

The test coverage on the diff in this pull request is 100.0% (50% is the threshold).

This pull request will bring the total coverage in the repository to 61.9% (0.0% change).

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