Fix keycloak test after switching from email to username.

5 jobs for v0.7.2 in 13 minutes and 55 seconds (queued for 1 second)
Status Name Job ID Coverage
  Build
passed build #995329

00:05:36

passed buildgui #995330

00:04:47

 
  Test
passed linting #995331

00:02:27

failed tests #995332

00:08:18

77.0%
 
  Release
skipped release #995333
allowed to fail manual
 
Name Stage Failure
failed
tests Test
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