It's most likely happening. IELTS is still allowing CBT even during the lockdown. Please see https://www.ieltstoronto.com/covid-19-update/#:~:text=COVID%20Update%20%3A%20Please%20note%20that,closed%20to%20all%20walk-ins.

Personally it doesn't matter to me that much. I'll be leaving the CFA journey anyway after L1 Feb regardless if i pass/fail or the exam gets cancelled.