With RLS enabled, intersection-observer tests are failing:

external/wpt/intersection-observer/iframe-no-root.html
external/wpt/intersection-observer/multiple-targets.html
external/wpt/intersection-observer/multiple-thresholds.html
external/wpt/intersection-observer/root-margin.html
external/wpt/intersection-observer/same-document-no-root.html
external/wpt/intersection-observer/same-document-zero-size-target.html
intersection-observer/cross-origin-iframe.html
intersection-observer/iframe-no-root.html
intersection-observer/multiple-targets.html
intersection-observer/multiple-thresholds.html
intersection-observer/root-margin.html
intersection-observer/same-document-no-root.html
intersection-observer/same-document-zero-size-target.html
intersection-observer/text-target.html