Dogtail optimizations breaks many tests on Stretch
Originally created by @intrigeri on #12305 (Redmine)
https://jenkins.tails.boum.org/view/RM/job/test_Tails_ISO_feature-stretch/188/
(run on an ISO built from
7837bcbf) was OK.
https://jenkins.tails.boum.org/view/RM/job/test_Tails_ISO_feature-stretch/189/
(run on an ISO built from
73dc75ac) started to be much more
broken. Meanwhile, test/12059-dogtail-optimizations
was merged.