Disable failing testFixture_TEST for MacOS

[Crola1702]

🦟 Bug fix

Disables failing test from #1887

Checklist

• Signed all commits for DCO
• Added tests
• Updated documentation (as needed)
• Updated migration guide (as needed)
• Consider updating Python bindings (if the library has them)
• codecheck passed (See contributing)
• All tests passed (See test coverage)
• While waiting for a review on your PR, please help review another open pull request to support the maintainers

Note to maintainers: Remember to use Squash-Merge and edit the commit message to match the pull request summary while retaining Signed-off-by messages.

[Blast545]

Can you add a link to the original issue as a comment in the code?

LGTM, I think it's reasonable to wait for someone in the dev team to review before merging.

[Blast545]

Also cc: @scpeters for awareness. We are disabling it for now, but we'll start tracking the tests disabled by the buildfarm team and ping the team/community for help on those every now and then.