Fix clippy lints

masonry/examples/tests.rs

@@ -1,14 +1,18 @@
 // Copyright 2025 the Xilem Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#![allow(missing_docs)]
+//! This module imports widget code from other examples.
+//!
+//! When running unit tests, it will compare the rendered snapshots of the widgets
+//! with the expected snapshots.
 
 fn main() {
-    println!("This example is only used to compile other examples.")
+    println!("This example is only used to compile other examples.");
 }
 
 #[cfg(test)]
-#[allow(dead_code)]
+#[allow(dead_code, reason = "We don't need to run the main functions.")]
+#[allow(missing_docs, reason = "Example code doesn't need docs.")]
 #[path = "."]
 pub mod others {
     pub mod calc_masonry;