I started an Auto Test this morning at 11:44. The test was set to repeat at 15 minute intervals, 5 times.
At 12:22 I noticed 'Retesting at 01:28:20pm' and at 12:29 it showed 'Retesting at 01:43:21'.
There is an issue when calculating the time of the next test, perhaps caused by spanning 12-noon?