Fix buffer reading and writing in healthchecker

horust/src/horust/healthcheck/mod.rs

@@ -173,11 +173,13 @@ mod test {
     fn handle_request(listener: TcpListener) -> std::io::Result<()> {
         if let Some(stream) = listener.incoming().next() {
             info!("Received request");
-            let mut buffer = [0; 512];
+            let mut buffer = vec![];
             let mut stream = stream?;
-            stream.read(&mut buffer).unwrap();
+            stream.read_to_end(&mut buffer).unwrap();
             let response = b"HTTP/1.1 200 OK\r\n\r\n";
-            stream.write(response).expect("Stream write");
+            stream
+                .write_all(response)
+                .expect("Failed to send http response back");
         }
         Ok(())
     }