If the test was marked honestly and every single student actually failed? No reason.
However, given how extremely unlikely that is, and how much more likely that result would be if there was an error in marking or a dishonest attempt to collect exam fees without allowing students in, that would be a good reason to force a refund.
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Date: 2013-08-27 09:00 pm (UTC)(no subject)
Date: 2013-08-28 02:10 am (UTC)(no subject)
Date: 2013-08-28 01:05 pm (UTC)However, given how extremely unlikely that is, and how much more likely that result would be if there was an error in marking or a dishonest attempt to collect exam fees without allowing students in, that would be a good reason to force a refund.