core-data: Refactor tests to use real timers #47218
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tyxla
added
[Type] Automated Testing
tyxla
requested review from
Mamaduka,
mirka,
jsnajdr,
ciampo,
flootr,
chad1008,
ntsekouras and
brookewp
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Size Change: 0 B Total Size: 1.33 MB ℹ️ View Unchanged
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Flaky tests detected in 0301419. 🔍 Workflow run URL: https://github.com/WordPress/gutenberg/actions/runs/3939561718
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Mamaduka
approved these changes
Jan 17, 2023
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What?
This PR updates more tests in the
@wordpress/core-datapackage to use real timers. This is a follow-up to #46714, #47056, and #47144.Why?
We discovered that Jest real timers are preferable when their use is possible, see facebook/react#25889 and the description in #46714.
This post is great writing that explains the rationale in more detail:
https://jsnajdr.wordpress.com/2023/01/11/prefer-jest-real-timers-when-testing-with-react-testing-library/
How?
We're removing the specific
jest.useFakeTimers();calls. We're also removing the now unnecessaryjest.advanceTimersByTime()calls and post-test cleanup that we've been doing withjest.runOnlyPendingTimers()andjest.useRealTimers().Testing Instructions
Verify all tests still pass.
Testing Instructions for Keyboard
None
Screenshots or screencast
None.