'Whether' in the Bible

in order to test Israel whether or not they would observe the way of Yahweh, to walk in it just as their ancestors did."

They were [left] for testing Israel, to know [whether] they would keep the commands of Yahweh that he commanded their ancestors through the hand of Moses.

And they said to him, "Please inquire of God that we may know whether our journey that we [are] going on will be successful."