It updated within 3 days for me and most get email almost immediately. Calling cic and advising them of your situation will not hurt. If anything they can keep a note of this in case your test doesn't show completed past the 21 day deadline
Applied June 2020, AOR in Jan 2021, Citizenship Test taken July 02 2021, Test marked Complete July 09 2021. Been 3+ months since and no updates still. Saskatoon office. The wait is getting rediculous.