[gitlab-ci] fixes for script running

1 job for 294-dev-test in 44 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Test
failed #1598
test

00:00:44

 
Name Stage Failure
failed
test Test
copying path '/nix/store/vn70kkifh7xmwi5c9fcrj9fjxsn6rf86-nodejs-14.16.1' from 'https://cache.nixos.org'...
copying path '/nix/store/1gsn2g4f9xz9mbgfyi86bxc8zz849mi6-yarn-1.22.10' from 'https://cache.nixos.org'...
yarn install v1.22.10
[1/4] Resolving packages...
[2/4] Fetching packages...
error Couldn't find the binary git
info Visit https://yarnpkg.com/en/docs/cli/install for documentation about this command.
Cleaning up file based variables
ERROR: Job failed: exit code 1