cleaned up some tests

Additionally, remove unused `tests/ui/auxiliary/svh-*` crates that are duplicates of `tests/ui/svh/auxiliary/svh-*`.

1 files changed, 8 insertions, 1 deletions

diff --git a/tests/ui/traits/tryfrominterror-result-comparison.rs b/tests/ui/traits/tryfrominterror-result-comparison.rs
index 66a78b3f842..8a2741e9058 100644
--- a/tests/ui/traits/tryfrominterror-result-comparison.rs
+++ b/tests/ui/traits/tryfrominterror-result-comparison.rs
@@ -1,12 +1,19 @@
+//! This test verifies that `std::num::TryFromIntError` correctly implements `PartialEq`,
+//! allowing `Result<T, TryFromIntError>` values to be compared for equality using `==`.
+//! It specifically checks a successful numeric conversion scenario where the `Result::Ok`
+//! variant is compared, ensuring that the comparison yields the expected boolean result.
+
 //@ run-pass
 
-#![allow(unused_must_use)]
+#![allow(unused_must_use)] // Allow ignoring the result of the comparison for the test's purpose
 
 use std::convert::TryFrom;
 use std::num::TryFromIntError;
 
 fn main() {
     let x: u32 = 125;
+    // Attempt to convert u32 to u8, which should succeed as 125 fits in u8.
     let y: Result<u8, TryFromIntError> = u8::try_from(x);
+    // Verify that the Result can be correctly compared with an Ok value.
     y == Ok(125);
 }