diff --git a/src/payload.rs b/src/payload.rs
index 72f86e773..1e7427d3c 100644
--- a/src/payload.rs
+++ b/src/payload.rs
@@ -365,9 +365,22 @@ impl Inner {
 #[cfg(test)]
 mod tests {
     use super::*;
+    use std::io;
     use futures::future::{lazy, result};
     use tokio_core::reactor::Core;
 
+    #[test]
+    fn test_error() {
+        let err: PayloadError = IoError::new(io::ErrorKind::Other, "ParseError").into();
+        assert_eq!(err.description(), "ParseError");
+        assert_eq!(err.cause().unwrap().description(), "ParseError");
+        assert_eq!(format!("{}", err), "ParseError");
+
+        let err = PayloadError::Incomplete;
+        assert_eq!(err.description(), "A payload reached EOF, but is not complete.");
+        assert_eq!(format!("{}", err), "A payload reached EOF, but is not complete.");
+    }
+
     #[test]
     fn test_basic() {
         Core::new().unwrap().run(lazy(|| {
diff --git a/src/wsframe.rs b/src/wsframe.rs
index efe0fc47c..3fd09ef4e 100644
--- a/src/wsframe.rs
+++ b/src/wsframe.rs
@@ -340,7 +340,7 @@ mod tests {
         assert!(Frame::parse(&mut buf).unwrap().is_none());
         buf.extend(b"1");
         let frame = Frame::parse(&mut buf).unwrap().unwrap();
-        println!("FRAME: {:?}", frame);
+        println!("FRAME: {}", frame);
         assert!(!frame.finished);
         assert_eq!(frame.opcode, OpCode::Text);
         assert_eq!(frame.payload, &b"1"[..]);