NET
12 Happy is the one who endures testing, because when he has proven to be genuine, he will receive the crown of life that God promised to those who love him.
Darby
12 Blessed [is the] man who endures temptation; for, having been proved, he shall receive the crown of life, which He has promised to them that love him.
KJV
12 Blessed [is] the man that endureth temptation: for when he is tried, he shall receive the crown of life, which the Lord hath promised to them that love him.