Upon completion of the Paging module I found that the Paging test at the command line passes every time it is run, but the Paging on the Mflix Status page fails intermittently. It borders on a 50% failure rate.
I first thought it was on first run after a reload of the app, but I have since found that it fails about 60% of the time on first run, but it also passes on first run.
Similarly on subsequent run it fails about 30% of the time.
Please note that the above percentages are WAGS (wild-ass guesses), but the results seem to be in about that range.