Krzysiek

Actually this is related to https://github.com/eparreno/rack-jwt/issues/12.

Hey, skooma's coverage fails in parallel setup, at least with minitest. Multiple processes: ``` PARALLEL_WORKERS=2 bin/rails test ..................................................................... Finished in 3.441208s, 20.0511 runs/s, 72.3583 assertions/s. (...) OpenAPI schema /project_openapi.yml coverage...