LayoutTest inspector/debugger/breakpoint-action-log.html is a flaky timeout on macOS Debug WK2 https://build.webkit.org/results/Apple%20Sierra%20Debug%20WK2%20(Tests)/r227172%20(4862)/results.html https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=inspector%2Fdebugger%2Fbreakpoint-action-log.html
This test is already known to be a flaky failure: https://bugs.webkit.org/show_bug.cgi?id=165772
Marked test as flaky in https://trac.webkit.org/r227188