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Matt Brubeck 65c73bf899 servo: Merge #9607 - Add a "mach test-wpt --chaos" mode for reproducing intermittent failures using rr (from mbrubeck:chaos); r=jgraham ... This adds a new `--chaos` flag to the `test-wpt` and `test-css` commands. This will run a test repeatedly until it fails, recording it with the rr debugger in chaos mode. Requires a recent master build of rr. ``` ./mach test-wpt --chaos test.html ``` is shorthand for: ``` ./mach test-wpt --repeat-until-unexpected \ --debugger rr \ --debugger-args "record --chaos" \ --include test.html ``` This PR currently includes changes to wptrunner which were also submitted upstream as w3c/wptrunner#170. We should not merge this until that upstream PR is merged. CC @jgraham Source-Repo: https://github.com/servo/servo Source-Revision: faa349fb876c4b163ba14623899c9f4e6ab3d0eb		2016-02-12 03:05:47 +05:01
servo	servo: Merge #9607 - Add a "mach test-wpt --chaos" mode for reproducing intermittent failures using rr (from mbrubeck:chaos); r=jgraham	2016-02-12 03:05:47 +05:01