The Close of Probation, page-31

That's good you know the account. However, it seems you object to God giving Satan limited free will to test Job. Satan displayed his vicious nature, while Jehovah was pleased with Job.

(Job 2:3) And Jehovah said to Satan: “Have you taken note of my servant Job? There is no one like him on the earth. He is an upright man of integrity, fearing God and shunning what is bad. He is still holding firmly to his integrity, even though you try to incite me against him to destroy him for no reason.”