Fix the return code on parsers' list display

8 jobs for master in 4 minutes and 6 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Linting
passed #86851
bandit

00:00:28

passed #86854
mypy

00:00:43

passed #86853
pyflakes

00:00:29

passed #86852
pylint

00:00:38

 
  Test
passed #86858
whitewhale
tests:archlinux

00:02:12

passed #86855
tests:debian

00:01:32

98.0%
passed #86856
whitewhale
tests:debian_with_bubblewrap

00:03:21

100.0%
passed #86857
whitewhale
tests:fedora

00:03:10