Run jest jobs with custom exit code

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/183918



Merged-by: David Dieulivol <ddieulivol@gitlab.com>
Approved-by: David Dieulivol <ddieulivol@gitlab.com>
Approved-by: Tomas Bulva <tbulva@gitlab.com>
Co-authored-by: Jennifer Li <jli@gitlab.com>