WIP - Improve e2e tests (#1600)

6 jobs for master in 10 minutes and 35 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #10101
build_bionic

00:03:03

passed #10100
build_buster

00:03:22

passed #10099
build_stretch

00:03:02

 
  Sign
passed #10102
sign

00:00:29

 
  Deploy
passed #10103
pages

00:00:37

passed pages:deploy

00:00:00