Merge branch 'test' into 'master'

Set-up React Testing Library and write first test

See merge request !425
3 jobs for master in 8 minutes and 16 seconds (queued for 1 second)
Status Name Job ID Coverage
  Test
passed Lint #132602

00:01:11

passed Test #132603

00:02:52

 
  Build
passed Build #132604

00:04:12