chore: Remove redundant stripAnsi from test (#7833)
chore: Remove redundant stripAnsi from test (#7833)

## Summary

It doesn't make sense to wrap a `runJust` call into `stripAnsi` since the latter works only with strings.
`runJest` returns an object so stripAnsi just passes it along.

Materials:

- Commit where the code was added in the first place: https://github.com/facebook/jest/commit/e12cab63f06cabaf4e38c18fac18cf463fc10e1f#diff-4cf7d6c79ff377b63522b3af20e34e8eR307
- stripAnsi source code: https://github.com/chalk/strip-ansi/blob/097894423fedb6b4dca3005ad45608b893fcdcf8/index.js
bookman25/jest,cpojer/jest,cpojer/jest,ide/jest,bookman25/jest,facebook/jest,ide/jest,facebook/jest,cpojer/jest,bookman25/jest,ide/jest,facebook/jest