'Testing' in the Bible

And in answer to his prayer, the Lord made him see a tree, and when he put it into the water, the water was made sweet. There he gave them a law and an order, testing them;

So the people complained to Moses, “Give us water to drink.”“Why are you complaining to me?” Moses replied to them. “Why are you testing the Lord?”

He called the name of the place Massah and Meribah, because of the contending of the Israelites and because of their testing the Lord, saying, "Is the Lord among us or not?"