Originally Posted by JollyGreenSlugg
So it was either a **** test because no one had failed it (as the floor had no holes) or there was some sort of self-fixing going on each time some poor dyslexic sod tried to walk across the lettered floor.
Consider these possibilities:
A) Nobody before Indy had ever passed the 1st test.
B) The Grail Knight could repair the floor.