Cypress · Senior · Question 6 of 76

What is a "burn-in" for new or changed tests?

1Running them many times before merge to catch flakes
2Deleting old tests to make room for new ones
3Running the whole suite overnight at full CPU

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Correct answer: Running them many times before merge to catch flakes

Explanation

Repeating a new spec 10 or 20 times in CI exposes timing problems before they hit the main branch.

Further reading

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