1 Peter 1:7

that the test of your faith (much more precious than that of gold, which is of a perishing nature, though proved by fire) may be found unto praise and honour and glory at the revelation of Jesus Christ:

1 Peter 4:12

Beloved, be not amazed at the fiery trial among you which is to bring you to the test, as though something strange happened to you;

Treasury of Scripture Knowledge

Summary

Therefore thus saith the LORD of hosts, Behold, I will melt them, and try them; for how shall I do for the daughter of my people?

Bible References

I will

1 Peter 1:7
that the test of your faith (much more precious than that of gold, which is of a perishing nature, though proved by fire) may be found unto praise and honour and glory at the revelation of Jesus Christ:
1 Peter 4:12
Beloved, be not amazed at the fiery trial among you which is to bring you to the test, as though something strange happened to you;