clippy: adhere to pedantic clippy, uniform test error handling

html-router/src/middlewares/compression.rs

@@ -2,6 +2,6 @@ use tower_http::compression::CompressionLayer;
 
 /// Provides a default compression layer that negotiates encoding based on the
 /// `Accept-Encoding` header of the incoming request.
-pub fn compression_layer() -> CompressionLayer {
+pub fn layer() -> CompressionLayer {
     CompressionLayer::new()
 }