Issue #3164307 by ronaldtebrake: Ensure we test this correctly, before without...

Issue #3164307 by ronaldtebrake: Ensure we test this correctly, before without the gin_toolbar the link behatsitemanager would be rendered as part of the toolbar, gin doesnt have this link and fails. However we want to test the main page content to see the author so this covers it better even if admin toolbar was enabled