The test fast/mediastream/RTCPeerConnection-inspect-offer-bundlePolicy-bundle-only.html is set to fail in test Expectations, but has started to Timeout as well https://build.webkit.org/results/Apple%20Sierra%20Debug%20WK2%20(Tests)/r216927%20(1025)/results.html https://build.webkit.org/builders/Apple%20Sierra%20Debug%20WK2%20(Tests)/builds/1025 https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=fast%2Fmediastream%2FRTCPeerConnection-inspect-offer-bundlePolicy-bundle-only.html First Timeout was on 5/11/2017 and came with this revision https://trac.webkit.org/changeset/216712/webkit
I was able to reproduce on Debug and release for Sierra with: run-webkit-tests -f fast/mediastream/RTCPeerConnection-inspect-offer-bundlePolicy-bundle-only.html --iterations=50 --debug --no-retry-failure run-webkit-tests -f fast/mediastream/RTCPeerConnection-inspect-offer-bundlePolicy-bundle-only.html --iterations=50 --no-retry-failure
<rdar://problem/32275237>
It's been determined that the test no longer times out. Matt, please verify.