Summary
We want to use libeatmydata for macOS test to speed them up.

Motivation

We have been using libeatmydata for multiple variants: ubuntu2004-[a,m,u]san, ubuntu2004-stress-tests, 
linux-no-ftruncate, rhel80, code-statistics.

We have been facing issues with slowness on macOS.

Acceptance Criteria (Definition of Done)
Use libeatmydata on macOS and compare the execution time of with/without it.

Testing
Make sure all tests still pass and compare the execution time of the tests with/without the lib.