The following layout tests are failing on iOS imported/w3c/web-platform-tests/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-height.html imported/w3c/web-platform-tests/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-innerheight.html imported/w3c/web-platform-tests/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-innerwidth.html imported/w3c/web-platform-tests/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-width.html imported/w3c/web-platform-tests/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-tokenization-innerheight-innerwidth.html imported/w3c/web-platform-tests/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-tokenization-width-height.html Probable cause: These tests became flaky recently with the first failure on r241876. They all fail together on the same test runner. Flakiness Dashboard: https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fbrowsers%2Fthe-window-object%2Fapis-for-creating-and-navigating-browsing-contexts-by-name%2Fopen-features-non-integer-height.html%20imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fbrowsers%2Fthe-window-object%2Fapis-for-creating-and-navigating-browsing-contexts-by-name%2Fopen-features-non-integer-innerheight.html%20imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fbrowsers%2Fthe-window-object%2Fapis-for-creating-and-navigating-browsing-contexts-by-name%2Fopen-features-non-integer-innerwidth.html%20imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fbrowsers%2Fthe-window-object%2Fapis-for-creating-and-navigating-browsing-contexts-by-name%2Fopen-features-non-integer-width.html%20imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fbrowsers%2Fthe-window-object%2Fapis-for-creating-and-navigating-browsing-contexts-by-name%2Fopen-features-tokenization-innerheight-innerwidth.html%20imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fbrowsers%2Fthe-window-object%2Fapis-for-creating-and-navigating-browsing-contexts-by-name%2Fopen-features-tokenization-width-height.html
<rdar://problem/48745125>