Exodus 16:4 (KJV)
4Then said the LORD unto Moses, Behold, I will rain bread from heaven for you; and the people shall go out and gather a certain rate every day, that I may prove them, whether they will walk in my law, or no.
We never know when or how The Most High is testing us. We must stay on top of our scripture studying and praying, in order to pass. Stay ready.