Add unknown event translation

Status Job ID Name Coverage
  Test
failed #311
test

00:03:38

 
Name Stage Failure
failed
test Test There is an unknown failure, please try again

----------------------------------------------------------------------
Ran 19 tests in 7.415s

FAILED (failures=6, errors=3)
Custom settings failed
Creating test database for alias 'default'...
Destroying test database for alias 'default'...
ERROR: Build failed: exit code 1