Fix backend tests

Signed-off-by: Rafael Ravedutti <rrlmachado@inf.ufpr.br>
2 jobs for fix_tests in 7 minutes and 6 seconds (queued for 9 seconds)
Status Job ID Name Coverage
  Test
passed #24723
ruby postgres
test

00:04:21

 
  Build
passed #24724
docker build
build

00:02:44