UseStrictJson does not produce .json files

[bitbonk]

This repo demonstrates that using UseStrictJson sometimes does not have the effect that the snapshots have the .json file extensions.

https://github.com/bitbonk/VerifyStrictJsonRepro

Is this by design or is this a bug?

Original Mastodon discussion with @SimonCropp about this: https://hachyderm.io/@simoncropp/112698612306115758

[bitbonk]

Fixed in 25.2.0.