[buildkite] Pause coverage reporting in buildkite pipeline tests #4314
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What this PR does / why we need it:
Our pipeline tests are running really slowly on buildkite, example: https://buildkite.com/uberopensource/m3-monorepo-ci-uber-oss/builds/679. One reason is due to failing coverage reporting, which is causing the tests to sleep for 30 seconds repeatedly. This PR pauses coverage reporting, until we get a fix.
We are now averaging 14 mins to run all pipeline tests, down from 24 mins.
Fixes #4313
Does this PR introduce a user-facing and/or backwards incompatible change?:
No
Does this PR require updating code package or user-facing documentation?:
No