[autobackport: sssd-2-13] Tests: fix the tests to check the new pattern

[sssd-bot]

This is an automatic backport of PR#8719 Tests: fix the tests to check the new pattern to branch sssd-2-13, created by @aborah-sudo.

Please make sure this backport is correct.

Note

The commits were cherry-picked without conflicts.

You can push changes to this pull request

git remote add sssd-bot git@github.com:sssd-bot/sssd.git
git fetch sssd-bot refs/heads/SSSD-sssd-backport-pr8719-to-sssd-2-13
git checkout SSSD-sssd-backport-pr8719-to-sssd-2-13
git push sssd-bot SSSD-sssd-backport-pr8719-to-sssd-2-13 --force

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Original commits
04d5937 - Tests: fix the tests to check the new pattern

Backported commits

• e38d979 - Tests: fix the tests to check the new pattern

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Original Pull Request Body

I got confirmation that this is simply a log change issue. We can fix the tests to check the new pattern.
#8540

[gemini-code-assist]

Code Review

This pull request updates the grep search string and corresponding failure message in the test_refresh_contain_timestamp test within test_kcm.py to match a change in the log format. I have no feedback to provide.