diff --git a/src/main.rs b/src/main.rs
index 1cef7db..14b7769 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -56,7 +56,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
 }
 
 #[cfg(test)]
-mod tests {
+mod tests_main {
     use hyper::{Body, Response};
     use crate::body_to_str;
 
@@ -66,4 +66,13 @@ mod tests {
         assert_eq!("", tokio_test::block_on(body_to_str(res)));
     }
 
+    #[test]
+    fn body_to_str_not_empty() {
+        let res = Response::new(Body::from("demo"));
+        assert_eq!("demo", tokio_test::block_on(body_to_str(res)));
+
+        let res2 = Response::new(Body::from("hello world"));
+        assert_eq!("hello world", tokio_test::block_on(body_to_str(res2)));
+    }
+
 }