[gtk] (7 commits) Non-fast-forward update to branch wip/otte/reftests

[Benjamin Otte <otte src gnome org>]

The branch 'wip/otte/reftests' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  47ba7f1... testsuite: Make reftests work again
  9267b26... reftests: Make meson run every test separately
  5a1bfa5... reftest: Be more careful about snapshotting
  808f54b... widgetpaintable: Don't emit signals on dispose
  09ef7c0... reftests: Fix unresolvable.ui test
  31f36fa... reftests: Fix grid-spacing1 test
  0809f33... reftests: Fix window-height-for-width test

Commits added to the branch:

  f0a76fa... testsuite: Make reftests work again
  1c582be... reftests: Make meson run every test separately
  27735f0... reftest: Be more careful about snapshotting
  907f51e... widgetpaintable: Don't emit signals on dispose
  0255ada... reftests: Fix unresolvable.ui test
  1328eea... reftests: Fix grid-spacing1 test
  b4d3e6a... reftests: Fix window-height-for-width test