This occurs because the TelephonyCall object now includes a TelephonyCallId field which in turn contains a reference to the window object, which is unserializable with Marionette.. I'll have to adjust the tests to return a subset of fields from these objects instead.
Assignee: nobody → jgriffin
Status: NEW → ASSIGNED
Comment on attachment 8550470 [details] [review] github PR r=me, good to merge.
Attachment #8550470 - Flags: review?(atsai) → review+
Status: ASSIGNED → RESOLVED
Last Resolved: 3 years ago
Resolution: --- → FIXED
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