[gtk] (15 commits) Non-fast-forward update to branch wip/otte/nodeeditor2

[Benjamin Otte <otte src gnome org>]

The branch 'wip/otte/nodeeditor2' 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:

  60c2748... Move working tests to new directory
  4d1e64b... testsuite: Add a broken test
  a4d6cdb... testsuite: Add serialize-deserialize tests
  c372040... testsuite: add another nodeparser crash test
  8dc413e... testsuite: add shadow node parser test
  28837b2... testsuite: Print serialized nodes when parsing fails
  a489f56... testsuite: Remove broken GL comparison tests
  fdcac6b... testsuite: Add cross-fade-in-opacity test
  71ce980... testsuite: Remove gl_tests infrastructure
  e36e5d5... testsuite: Add another gl renderer test
  c8ab825... rendernode: Remove old GVariant (de)serialization code
  b604b5f... testsuite: Remove old cairo/vulkan tests
  6094d08... testsuite: Black out parts of reftest
  ea40d6c... Add error func to node deserialization
  5bbc9e8... ci: Don't disable the gsk suite

Commits added to the branch:

  8433213... Move working tests to new directory
  6b7b0a5... testsuite: Add a broken test
  23e95e5... testsuite: Add serialize-deserialize tests
  a2dfcfe... testsuite: add another nodeparser crash test
  829b3e6... testsuite: add shadow node parser test
  b081ca6... testsuite: Print serialized nodes when parsing fails
  7dfbc0e... testsuite: Remove broken GL comparison tests
  ed915df... testsuite: Add cross-fade-in-opacity test
  8c9bbde... testsuite: Remove gl_tests infrastructure
  4633156... testsuite: Add another gl renderer test
  ada15fc... rendernode: Remove old GVariant (de)serialization code
  2e066a1... testsuite: Remove old cairo/vulkan tests
  1da57a3... testsuite: Black out parts of reftest
  b9ede99... Add error func to node deserialization
  a8ec336... ci: Don't disable the gsk suite