workaround db connection

.pkgr.yml

@@ -9,6 +9,12 @@ group: "zammad"
 
 after_install: packaging/hooks/postinstall.sh
 
+before:
+  - cp config/database.yml.unittest config/database.yml
+
+after:
+  - rm -f config/database.yml
+
 env:
   - RAILS_ENV=production
   - RAILS_GROUPS=assets