No, no, no: revison ONLY means: 3. a. To look or read carefully over, with a view to improving or correcting.

To prepare for a test, you STUDY. You study your notes and try to memorize facts--if you REVISE your notes, you might change them enough to cause you to fail the test.
CK, I see no reason to change my usage of a perfectly good and understood word, just because some old-timey Limeys took it upon themselves to change the meaning...