This would surely depend on both the operator/ATO and regulator.
Since the courses are presumably approved, I would expect a 'yes' for operators, and 'no' for independent ATOs, because the trainee TRI is not an employee, and any students are also not employees.
At a previous employer, the TRI course was conducted (under supervision) with live students. Participating in an ATO course, this was completed completely differently. Two trainee TRIs, and a supervising TRE, swapping between all three seats: we made enough errors for plenty of debriefing content!
Good luck.