1.- If you see my video. I can see it when I go that unit for the firts time, but then, when I back to that "test" unit, I can see it any more..
2.- How can be this problem? There can be a way to solve this?
well, if you see the first video I shared here, it is not exactly the process that is followed.
The problem appears when I enter the test unit (I do not enter to take the test) but then I return to the main page of the course without clicking on "START TEST", then when returning to the test unit, the button "START TEST" is no longer seen.