The test loader/stateobjects/replacestate-size-iframe.html is a flaky timeout on Sierra wk2 Debug. https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=loader%2Fstateobjects%2Freplacestate-size-iframe.html https://build.webkit.org/results/Apple%20Sierra%20Debug%20WK2%20(Tests)/r216768%20(966)/results.html https://build.webkit.org/builders/Apple%20Sierra%20Debug%20WK2%20(Tests)/builds/966 The test is already marked as slow but as of 5/10/2017 the test began to timeout with first incident marked on the dashboard. The revisions around the first timeout on the dashboard: https://trac.webkit.org/log/webkit/?verbose=on&rev=216638&stop_rev=216636 Unsure if these are related. Was unable to reproduce locally.
Ended up reproducing locally with: run-webkit-tests loader/stateobjects/replacestate-size-iframe.html -f --iterations=100 --no-retry-failures
Marked test as flaky. https://trac.webkit.org/changeset/217667/webkit
(In reply to Matt Lewis from comment #2) > Marked test as flaky. > https://trac.webkit.org/changeset/217667/webkit Adjusted the test expectations to only apply to currently timing out test. https://trac.webkit.org/changeset/217668/webkit
<rdar://problem/42793098>