Revert "Update tests"

This reverts commit 6a75f70.

Author: scaronni

.github/workflows/tests.yml

@@ -10,7 +10,6 @@ on:
 jobs:
   test-distributions:
     name: Build in containers
-    continue-on-error: true
     strategy:
       matrix:
         distro:

run_test.sh

@@ -987,8 +987,6 @@ if [[ ! $only || $only = autoinstall ]]; then
 echo '*** Testing dkms autoinstall/kernel_{postinst/prerm}, dkms_autoinstaller'
 ############################################################################
 
-set_signing_message "dkms_test" "1.0"
-
 echo 'Testing without modules and without headers'
 
 echo ' Running dkms autoinstall'