“Perhaps this isn’t just a test of the world,” said Crowley. “It might be a test of you people, too. Hmm?”
“God does not play games with His loyal servants,” said the Metatron, but in a worried tone of voice.
“Whooo-eee,” said Crowley. “Where have you been?”

Terry Pratchett (1948-2015) English author

Good Omens, 6. “Saturday” (1990) [with Neil Gaiman]
    (Source)