[FUNDAMENTAL] MOA-NAV-060 Move to previous page
Tests whether navigation to previous reflowed page is supported when media overlay is playing.
While Media Overlays (MO) are playing, use the previous page control/command in the reading system to move to the previous page. If media overlay starts reading the new page, this test passes.
This test is in the Media Overlays book.
See how well Reading Systems performed on this test.