=== Session Restore ===
* ensure container tabs are restored without any issues when using about:home -> Restore Previous Session* ensure container tabs are restored without any issues when using about:preferences -> Show your window and tabs from last time* ensure container tabs are restored without any issues when using History -> Restore Previous Session* ensure hidden container tabs are restored and NOT removed when using about:preferences -> Show your window and tabs from last time
When restoring tabs, ensure: