message: Remove a should_panic test
  Summary: The test only works in debug, because it relies on a debug_assert to trigger a should_panic. It's testing an internal method, which should never be reached in this invalid state, so not all that useful as a test.
diff: @@ -317,12 +317,6 @@ mod tests {
  assert_eq!(non_finite(f64::NEG_INFINITY), "-inf");
  }
  - #[test]
  - #[should_panic]
  - fn test_write_non_finite_only_for_non_finite() {
  - non_finite(0f64);
  - }
  -
  fn decimal(f: f64) -> String {
  let mut buf = String::new();
  write_decimal(&mut buf, f).unwrap();
  