5 Examine yourselves to see whether you are in the faith; test yourselves. Do you not realize that Christ Jesus is in you—unless, of course, you fail the test?

Read 2 Corinthians 13:5 Using Other Translations

Examine yourselves, whether ye be in the faith; prove your own selves. Know ye not your own selves, how that Jesus Christ is in you, except ye be reprobates?
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!
Examine yourselves to see if your faith is genuine. Test yourselves. Surely you know that Jesus Christ is among you ; if not, you have failed the test of genuine faith.