The following layout test is timing out on [insert platform] imported/w3c/web-platform-tests/service-workers/service-worker/claim-with-redirect.https.html Probable cause: [insert probable cause] Flakiness Dashboard: https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=imported%2Fw3c%2Fweb-platform-tests%2Fservice-workers%2Fservice-worker%2Fclaim-with-redirect.https.html
Created before full bug info could be added. Was timing out on all WK2 platforms. Was most likely caused by https://trac.webkit.org/changeset/228919/webkit However may be fixed in https://trac.webkit.org/changeset/228930/webkit