OpenSearch/x-pack/qa/rolling-upgrade
Nik Everett f32e4583d1
Add allowed_warnings to yaml tests (backport of #53139) (#53173)
When we test backwards compatibility we often end up in a situation
where we *sometimes* get a warning, and sometimes don't. Like, we won't
get the warning if we're testing against an older version, but we will
in a newer one. Or we won't get the warning if the request randomly
lands on a node with an old version of the code. But we wouldn't if it
randomed into a node with newer code.

This adds `allowed_warnings` to our yaml test runner for those cases:
warnings declared this way are "allowed" but not "required".

Blocks #52959

Co-authored-by: Benjamin Trent <ben.w.trent@gmail.com>
2020-03-05 17:11:54 -05:00
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