test(pgproto): run tests in a 1-instance cluster to resolve flakiness

Summary

• test: run pgproto tests in a 1-instance cluster to resolve flakiness

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• Part of #1218
• Cherry-pick to: none
• Docs follow-up: not necessary
• [ ] Changelog is updated

requested review from @d.rodionov

assigned to @UngiftedPoet

added 1 commit

• 28408c10 - test(pgproto): run tests in a 1-instance cluster to resolve flakiness

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changed title from test: run pgproto tests in a 1-instance cluster to resolve flakiness to test(pgproto): run tests in a 1-instance cluster to resolve flakiness

approved this merge request

enabled an automatic merge when the pipeline for 28408c10 succeeds

aborted the automatic merge because target branch was updated

added 2 commits

• 1f8448e7 - 1 commit from branch master
• c8809219 - test(pgproto): run tests in a 1-instance cluster to resolve flakiness

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enabled an automatic merge when the pipeline for c8809219 succeeds

canceled the automatic merge

merged