The following layout test is flaky on at least mac, gtk and wpe: imported/w3c/web-platform-tests/resource-timing/single-entry-per-resource.html Diff: --- /Volumes/Data/slave/highsierra-debug-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/resource-timing/single-entry-per-resource-expected.txt +++ /Volumes/Data/slave/highsierra-debug-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/resource-timing/single-entry-per-resource-actual.txt @@ -4,5 +4,5 @@ If the user agent is to reuse the data from another existing or completed fetch initiated from the current document, abort the remaining steps. -PASS Only one resource entry per resource +FAIL Only one resource entry per resource assert_equals: expected 1 but got 0