Judges 2:22

Then he cried out to Yahweh, and Yahweh showed him a tree; and he threw it into the waters, and the waters became sweet. There He set for them a statute and a judgment, and there He tested them.

Now it happened after the death of Joshua that the sons of Israel asked of Yahweh, saying, “Who shall go up first for us against the Canaanites, to fight against them?”

Now these are the nations which Yahweh allowed to remain, to test Israel by them (that is, all who had not known any of the wars of Canaan;