Randomized TSDS tests: rate test and fixes to gauge tests (#133190)

* first rate test and fixes to gauge tests

* working on tests...

* [CI] Auto commit changes from spotless

* fixups

* fixups

* adding tolerances for failures

* increase tolerances

* fix dumb test

* fixed algos to make tolerance 1%

* no tolerance for failed individual groups/windows

* description for test

* fixups

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Co-authored-by: elasticsearchmachine <[email protected]>

Author: pabloem