In the end of Tests, Faymen told Ned he gave Moze his Brazilian love rock necklace, but Moze was already wearing the necklace when she asked Ned the questions on the boyfriend test.
In the beginning of the episode, Ned gets in trouble for eating in the hallway. Why doesn't he just use his excuse that his doctor wants him to have a full stomach before taking allergy medicine. It worked in the episode Excuses.
Moze: (to Faymen) Hey, what's my favorite color?
(After Ned finds Moze's 'Boyfriend test')
Cookie: Did you pass all your tests?
Ned: Yeah, but I think I failed the most important one