After some more Try pushes, I've narrowed down the test failure to being caused by the mere addition of a new reftest (and I've even removed all pref flips and reftest attributes to make sure there's nothing unusual about the reftest I'm adding that could be causing problems). * [Here](https://treeherder.mozilla.org/jobs?repo=try&revision=39c86d8c77715d2c9ab859aae8812a9183f28b59) is a Try push of a recent autoland tip. Note the affected test, **layout/reftests/text-decoration/skip-ink-multiline-position.html**, is in the **R1** chunk of **Windows 7 opt**, and it's passing consistently. * [Here](https://treeherder.mozilla.org/jobs?repo=try&revision=b28c41e84a91fc4e427a99238c17bfc0bf47e055) is a Try push of the same autoland revision + my added (very boring) reftest. Note that skip-ink-multiline-position.html has now moved to the **R2** chunk of **Windows 7 opt**, and now it's failing consistently. Jonathan, do you have a suggestion for what to do about this? Should I disable the offending test (skip-ink-multiline-position.html) for Windows 7 opt?
Bug 1705826 Comment 8 Edit History
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After some more Try pushes, I've narrowed down the test failure to being caused by the mere addition of a new reftest (and I've even removed all pref flips and reftest attributes to make sure there's nothing unusual about the reftest I'm adding that could be causing problems), which causes a re-chunking of reftests on the affected platform. * [Here](https://treeherder.mozilla.org/jobs?repo=try&revision=39c86d8c77715d2c9ab859aae8812a9183f28b59) is a Try push of a recent autoland tip. Note the affected test, **layout/reftests/text-decoration/skip-ink-multiline-position.html**, is in the **R1** chunk of **Windows 7 opt**, and it's passing consistently. * [Here](https://treeherder.mozilla.org/jobs?repo=try&revision=b28c41e84a91fc4e427a99238c17bfc0bf47e055) is a Try push of the same autoland revision + my added (very boring) reftest. Note that skip-ink-multiline-position.html has now moved to the **R2** chunk of **Windows 7 opt**, and now it's failing consistently. Jonathan, do you have a suggestion for what to do about this? Should I disable the offending test (skip-ink-multiline-position.html) for Windows 7 opt?