Test is ok locally on c-c tip (with m-c not updated), so likely something from https://hg.mozilla.org/mozilla-central/pushloghtml?changeset=d54d820d6a8d24a86d6e03d976280182cbd7758d
Bug 1674077 Comment 3 Edit History
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Test is ok locally on c-c tip (with m-c not updated), so likely something from https://hg.mozilla.org/mozilla-central/pushloghtml?changeset=9b78e4ae32ae9fe7a22b4bb15efb51251d70c5e6