it("#setPermOptionFlags calls #command with params", function() {
      sphero.setPermOptionFlags(0xAABBCCDD, callback);
      expect(sphero.command).to.be.calledOnce;
      expect(sphero.command)
        .to.be.calledWith(0x02, 0x35, [0xAA, 0xBB, 0xCC, 0xDD], callback);