Test everything

“But test everything; hold fast what is good.” (1 Thess. 5:21 ESV)

Test the spirits

“Beloved, do not believe every spirit, but test the spirits to see whether they are from God, for many false prophets have gone out into the world.” ( 1 John 4:1 ESV)

Test yourselves

“Examine yourselves, to see whether you are in the faith. Test yourselves. Or do you not realize this about yourselves, that Jesus Christ is in you?—unless indeed you fail to meet the test!” (2 Cor. 13:5 ESV)

Test your faith

“Count it all joy, my brothers, when you meet trials of various kinds, for you know that the testing of your faith produces steadfastness.” (James 1:2-3 ESV)

Therefore…

“Do not be conformed to this world, but be transformed by the renewal of your mind, that by testing you may discern what is the will of God, what is good and acceptable and perfect.” (Rom. 12:2 ESV)

“So that the tested genuineness of your faith—more precious than gold that perishes though it is tested by fire—may be found to result in praise and glory and honor at the revelation of Jesus Christ.” (1 Peter 1:7 ESV)