Code coverage incorrect after upgrading to nodejs 20.10.0

[ritchieanesco]

What

Code coverage began failing after upgrading nodejs from node 20.9.0 to 20.10.0.

Issues have been raised in node and jest repo's

• [Bug]: v8 coverage lowers when more tests are executed jestjs/jest#14766
• v8 test coverage in jest is incorrect when upgrading to 20.10.0 nodejs/node#51251

Raising an issue here just for awareness as per comment here nodejs/node#51251 (comment).

Please close if not allowed.

[ritchieanesco]

As commented here: jestjs/jest#14766 (comment)

Commenting out https://github.com/SimenB/collect-v8-coverage/blob/main/index.js#L29-L31 address this issue.

[blured75]

Hi, any news for this issue? We are facing the same problem, and this patch resolve it :)

[dmichon-msft]

See nodejs/node#51251 (comment) for an explanation of what the underlying change is.