LayoutTest webrtc/datachannel/filter-ice-candidate.html is a flaky timeout https://build.webkit.org/results/Apple%20Sierra%20Debug%20WK1%20(Tests)/r215558%20(685)/results.html https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=webrtc%2Fdatachannel%2Ffilter-ice-candidate.html
<rdar://problem/32306972>
Marked test as flaky. https://trac.webkit.org/changeset/217174/webkit/
WebKit QA confirmed this is resolved