message: fix fee tests
diff: @@ -61,6 +61,7 @@ impl Milli {
  // note that we want the ceiling
  if self.0 % 1000 == 0 { self.0 / 1000 } else { (self.0 / 1000) + 1 }
  }
  + pub fn to_integral_trunc(self) -> u64 { self.0 / 1000 }
  }
  impl Add for Milli {
  @@ -208,7 +209,7 @@ mod test {
  let n1 = Milli::new(v1 / 1000, v1 % 1000);
  let n2 = Milli::new(v2 / 1000, v2 % 1000);
  let n = n1 + n2;
  - assert_eq!(v / 1000, n.to_integral());
  + assert_eq!(v / 1000, n.to_integral_trunc());
  }
  fn test_milli_mul_eq(v1: u64, v2: u64) {
  @@ -216,7 +217,7 @@ mod test {
  let n1 = Milli::new(v1 / 1000, v1 % 1000);
  let n2 = Milli::new(v2 / 1000, v2 % 1000);
  let n = n1 * n2;
  - assert_eq!((v / 1000000) as u64, n.to_integral());
  + assert_eq!((v / 1000000) as u64, n.to_integral_trunc());
  }
  #[test]
  