Contradiction with Deuteronomy 6:16
It warns against testing God, whereas Judges 6:17 involves Gideon asking for a sign.
Deuteronomy 6:16: Ye shall not tempt the LORD your God, as ye tempted [him] in Massah.
Contradiction with Matthew 4:7
Jesus condemns putting God to the test, contrasting with Gideon's request for proof.
Matthew 4:7: Jesus said unto him, It is written again, Thou shalt not tempt the Lord thy God. [tempt: or, try, or, put to trial, or, proof]