Auto merge of #25630 - mrobinson:mozilla-css, r=SimonSapin

Enable Mozilla CSS tests for layout_2020 and add expectations

This change allows mach to run the Mozilla CSS tests when running with the ``--layout2020` argument. This is useful because we can mark tests as passing as features are added.

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1 files changed, 1 insertions, 0 deletions

diff --git a/tests/wpt/update.py b/tests/wpt/update.py
index d8d1db22114..28697d5d904 100644
--- a/tests/wpt/update.py
+++ b/tests/wpt/update.py
@@ -36,6 +36,7 @@ def set_defaults(kwargs):
 
     if kwargs.pop("layout_2020"):
         kwargs["test_paths"]["/"]["metadata_path"] = wpt_path("metadata-layout-2020")
+        kwargs["test_paths"]["/_mozilla/"]["metadata_path"] = wpt_path("mozilla/meta-layout-2020")
         kwargs["include_manifest"] = wpt_path("include-layout-2020.ini")