libfreemkv 0.31.4: prune 144 vacuous tests (keep spec-grounded subset)

src/mux/mod.rs

@@ -231,16 +231,6 @@ mod tests {
         );
     }
 
-    #[test]
-    fn write_seek_blanket_impl_covers_cursor() {
-        // WriteSeek is the MKV sink bound (Write + Seek). The blanket impl
-        // must opt in any T: Write+Seek; Cursor<Vec<u8>> is the canonical
-        // in-memory seekable sink. Compile-time proof via a generic fn.
-        fn assert_writeseek<T: super::super::WriteSeek>(_: &T) {}
-        let cur = std::io::Cursor::new(Vec::<u8>::new());
-        assert_writeseek(&cur);
-    }
-
     #[test]
     fn first_matching_scheme_wins_no_double_prefix_confusion() {
         // A path component that itself looks like another scheme must be