Exodus 16 34
Aaron did so and placed the jar in front of the Testimony, to be preserved just as the Lord had ordered Moses.
Compare with other 3 random translations
NCV Exodus 16:34So Aaron did what the Lord had commanded Moses. He put the jar of manna in front of the Agreement to keep it safe.
AMP Exodus 16:34As the Lord commanded Moses, so Aaron [eventually] placed it in the presence of the Testimony, to be kept.
AMP Exodus 16:34As the Lord commanded Moses, Aaron laid it up before the Testimony to be kept [in the ark]. [Heb. 9:4.]