So there was just one other actual bug, for which I filed bug 1529992. And I managed to write yaml reftests for this bug, so that's all good now. https://treeherder.mozilla.org/#/jobs?repo=try&group_state=expanded&revision=403ce8ec555c8b711a1befa0a0448ce48ff9005c
Bug 1499113 Comment 10 Edit History
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There was just one other actual bug, for which I filed bug 1529992. And I managed to write yaml reftests for this bug, so that's all good now. https://treeherder.mozilla.org/#/jobs?repo=try&group_state=expanded&revision=403ce8ec555c8b711a1befa0a0448ce48ff9005c