I wouldn't say he is ever really testing Hassan's loyalty. It is more that he often tries to humiliate Hassan by tricking him, however, Hassan almost always shows his loyalty through his reactions.
The Loyalty Act
how did agamemnon test his soldiers for battle in the iliad
TO test macduffs loyalty
To test citizens, to see if they were loyal to their respective country.
Amir resents Hassan because at certain occasions Baba, his father shows more love to Hassan .Amir doesn't really hate Hassan, it's just that he is jealous of him and cannot tolerate to see his father loving Hassan more who is the son of their servant actually instead of his own son.
He blessed him after Job passed the loyalty test to Jehovah.
Room for One More - 1962 Flip's Loyalty Test 1-15 was released on: USA: 5 May 1962
Constantly test the municipal supply.
Malcolm pretends to be a greedy, lustful, and evil man.
"Teste de fidelidade" translates to "loyalty test" in English.
Three players have played International Test Cricket for both the countries; India and Pakistan. They are: Abdul Hafeez Kardar, Gul Mohammad and Amir Elahi.
Most people test others loyalty because they are insecure about themselves and unsure about whether or not a person(s) is loyal. Sometimes people even go to a lie detector. Usually, they find out their husband/wife/boyfriend/girlfriend/friend is loyal to them. It is an emotional state of insecurity.