1 Corinthians 1 6
just as the testimony concerning Christ was confirmed in you,
Compare with other 3 random translations
KJV 1 Corinthians 1:6Even as the testimony of Christ was confirmed in you:
WEB 1 Corinthians 1:6even as the testimony of Christ was confirmed in you—
NIV 1 Corinthians 1:6God thus confirming our testimony about Christ among you.