chore: Add macOS-specific test for format_bytes_speed function

src-tauri/src/utils/help.rs

@@ -223,6 +223,7 @@ pub fn format_bytes_speed(speed: u64) -> String {
     }
 }
 
+#[cfg(target_os = "macos")]
 #[test]
 fn test_format_bytes_speed() {
     assert_eq!(format_bytes_speed(0), "0B/s");