reftests: Enforce default settings

Set all settings to their default values, so we
are less dependent on the environment to be set
up just right. In particular, this fixes animations
being disabled when we happen to run in a vm.
14 jobs for ci-default-settings-4 in 29 minutes and 47 seconds (queued for 3 seconds)
Status Name Job ID Coverage
  .Pre
passed style-check-diff #1398637

00:02:35

 
  Build
passed fedora-x86_64 #1398638

00:08:42

passed installed-tests #1398640

00:15:18

passed macos #1398642
macos

00:11:46

passed msys2-mingw64 #1398641
win32-ps

00:07:30

passed release-build #1398639

00:03:37

passed vs2017-x64 #1398682
win32-ps

00:11:52

failed vs2017-x64 #1398643
win32-ps

00:11:50

 
  Analysis
failed asan-build #1398645
asan allowed to fail

00:11:32

passed static-scan #1398644

00:11:53

 
  Docs
passed reference #1398646

00:17:53

 
  Flatpak
manual flatpak-manual:demo #1398647
flatpak allowed to fail manual
manual flatpak-manual:icon-browser #1398649
flatpak allowed to fail manual
manual flatpak-manual:widget-factory #1398648
flatpak allowed to fail manual
 
Name Stage Failure
failed
asan-build Analysis
 - css: 215 total, 215 pass, 0 fail
Processing gtk suite a11y:
- a11y: 22 total, 22 pass, 0 fail
Processing gtk suite tools:
- tools: 4 total, 4 pass, 0 fail
Processing gtk suite reftest:
- reftest: 131 total, 130 pass, 1 fail
Cleaning up file based variables
ERROR: Job failed: exit code 1