EXO 17:7

7 and he called the name of that place Temptation, for the chiding of the sons of Israel, and for they tempted the Lord, and said, Whether the Lord is in us, or nay? (and he called the name of that place Massah and Meribah, because of the complaining of the Israelites, and because they tempted the Lord and said, Is the Lord with us, or not?)