Berean Study Bible
who gave Himself as a ransom for all—the testimony that was given at just the right time.

King James Bible
Who gave himself a ransom for all, to be testified in due time.

American Standard Version
who gave himself a ransom for all; the testimony to be borne in its own times;

Darby Bible Translation
who gave himself a ransom for all, the testimony [to be rendered] in its own times;

Douay-Rheims Bible
Who gave himself a redemption for all, a testimony in due times.

English Revised Version
who gave himself a ransom for all; the testimony to be borne in its own times;

Young's Literal Translation
who did give himself a ransom for all -- the testimony in its own times --