For a “first level” interview the time demand is probably unreasonable. But if you’re already shortlisted, I don’t feel it’s an unreasonable amount of time for

For a “first level” interview the time demand is probably unreasonable. But if you’re already shortlisted, I don’t feel it’s an unreasonable amount of time for a relatively basic assessment like this before they commit to paying you a significant amount of money by employing you.