The Early Saints and the Abrahamic Test

"When the family organization was revealed from heaven—the patriarchal order of God, and Joseph began, on the right and the left, to add to his family, what a quaking there was in Israel. Says one brother to another, "Joseph says all covenants [previous marriages] are done away, and none are binding but the new covenants [marriage by priesthood sealing power]; now suppose Joseph should come and say he wanted your wife, what would you say to that?" "I would tell him to go to hell." This was the spirit of many in the early days of this Church. . . . What would a man of God say, who felt aright, when Joseph asked him for his money? [he would give it all willingly] Or if he came and said, "I want your wife?" "O yes," he would say, "here she is, there are plenty more" . . . Did the Prophet Joseph want every man's wife he asked for? He did not . . . the grand object in view was to try the people of God, to see what was in them. If such a man of God should come to me and say, "I want your gold and silver, or your wives," I should say, "Here they are, I wish I had more to give you, take all I have got." A man who has got the Spirit of God, and the light of eternity in him, has no trouble about such matters."
- Apostle Jedediah M. Grant, second counselor to Brigham Young and father of President Heber J. Grant, sermon delivered on 19 February 1854 (JD 2: 13-14)

Joseph Smith's Failed Proposals to Married Women

John Taylor's Wife, Leonora
"The Prophet went to the home of President Taylor, and said to him, 'Brother John, I WANT LEONORA.'" Taylor was stunned, but after walking the floor all night, the obedient elder said to Smith, "If GOD wants Leonora He can have her." Woodruff concluded: "That was all the prophet was after, to see where President Taylor stood in the matter, and said to him, Brother Taylor, I don't want your wife, I just wanted to know just where you stood."
- Prophet Wilford Woodruff, John Mills Whitaker Journal, Nov. 1 1890; emphasis in original

Heber C. Kimball's Wife, Vilate
“During the summer of 1841, shortly after Heber's return from England, he was introduced to the doctrine of plural marriage directly through a startling test-a sacrifice which shook his very being and challenged his faith to the ultimate. He had already sacrificed homes, possessions, friends, relatives, all worldly rewards, peace, and tranquility for the Restoration. Nothing was left to place on the altar save his life, his children, and his wife. Joseph demanded for himself what to Heber was the unthinkable, his Vilate. Totally crushed spiritually and emotionally, Heber touched neither food nor water for three days and three nights and continually sought confirmation and comfort from God." Finally, after "some kind of assurance," Heber took Vilate to the upper room of Joseph's store on Water Street. The Prophet wept at this act of faith, devotion, and obedience. Joseph had never intended to take Vilate. It was all a test."
- Biography of Heber C. Kimball, "Heber C. Kimball, Mormon Patriarch and Pioneer." By Stanley B. Kimball, page 93.