message: Use core in algorithm tests
diff: @@ -832,7 +832,7 @@ mod algorithm_tests {
  #[test]
  fn test_cmp_zero_padded_slice() {
  use super::cmp_zero_padded_slice;
  - use std::cmp::Ordering::*;
  + use core::cmp::Ordering::*;
  assert_eq!(cmp_zero_padded_slice(&[1, 0], &[1]), Equal);
  assert_eq!(cmp_zero_padded_slice(&[1], &[1, 0]), Equal);
  