If any such person so committed to prison, shall persist in his refusal to swear or affirm, or being sworn or affirmed shall still, on being brought before such house from the prison, refuse to testify, such house may make a further order for the detention of such delinquent in said prison until the next succeeding legislature shall have met, and until the proper house succeeding the one which ordered the commitment originally, shall make an order for his further detention, or discharge as to them shall seem expedient.