Fix Github CI Actions for Master

[AndreasJJ]

Short description

One of the Actions in the Github CI for the master branches fails.

 Install and Test1m 17s
##[error]Process completed with exit code 127.
Run cd frontend
yarn install v1.22.0
[1/4] Resolving packages...
[2/4] Fetching packages...
info fsevents@1.2.11: The platform "linux" is incompatible with this module.
info "fsevents@1.2.11" is an optional dependency and failed compatibility check. Excluding it from installation.
[3/4] Linking dependencies...
warning " > @testing-library/user-event@7.2.1" has unmet peer dependency "@testing-library/dom@>=5".
warning " > styled-components@5.0.1" has unmet peer dependency "react-is@>= 16.8.0".
warning " > eslint-config-airbnb@18.0.1" has unmet peer dependency "eslint-plugin-react-hooks@^1.7.0".
warning " > react-hot-loader@4.12.19" has unmet peer dependency "@types/react@^15.0.0 || ^16.0.0".
[4/4] Building fresh packages...
Done in 75.97s.
yarn run v1.22.0
$ jest
/bin/sh: 1: jest: not found
error Command failed with exit code 127.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
##[error]Process completed with exit code 127.

probably need to install JEST or something

Dependencies

None