cleaned up some tests

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

1 files changed, 9 insertions, 2 deletions

diff --git a/tests/ui/svh/svh-no-api-change-no-recompile.rs b/tests/ui/svh/svh-no-api-change-no-recompile.rs
index 6e4b9fa7f4c..d4b8ac77444 100644
--- a/tests/ui/svh/svh-no-api-change-no-recompile.rs
+++ b/tests/ui/svh/svh-no-api-change-no-recompile.rs
@@ -1,10 +1,17 @@
+//! This test verifies that the Signature Version Hash (SVH) system correctly identifies
+//! when changes to an auxiliary crate do not affect its public API.
+//!
+//! Specifically, it checks that adding non-public items to a crate does not alter
+//! its SVH, preventing unnecessary recompilations of dependent crates.
+
 //@ run-pass
-// note that these aux-build directives must be in this order
+
+// Note that these aux-build directives must be in this order
+
 //@ aux-build:svh-a-base.rs
 //@ aux-build:svh-b.rs
 //@ aux-build:svh-a-base.rs
 
-
 extern crate a;
 extern crate b;