Everyone is skeptical of online coding challenges.
The State of Tech Hiring in 2017
Jason Shen

I feel like they are bias against those with outside activities, which include family obligations. I once had a test needed to be finished in a 24 hour period and would take 3 to 8 hours. I walked away from the interview process, because while the company talked about work-life balance, I didn’t feel that was represented in their process.