chore(client): remove unused old test

src/client/mod.rs

@@ -512,41 +512,3 @@ impl<C: Clone, B> Clone for Config<C, B> {
         }
     }
 }
-
-#[cfg(test)]
-mod tests {
-    /*
-    use std::io::Read;
-    use header::Server;
-    use super::{Client};
-    use super::pool::Pool;
-    use Url;
-
-    mock_connector!(Issue640Connector {
-        b"HTTP/1.1 200 OK\r\nContent-Length: 3\r\n\r\n",
-        b"GET",
-        b"HTTP/1.1 200 OK\r\nContent-Length: 4\r\n\r\n",
-        b"HEAD",
-        b"HTTP/1.1 200 OK\r\nContent-Length: 4\r\n\r\n",
-        b"POST"
-    });
-
-    // see issue #640
-    #[test]
-    fn test_head_response_body_keep_alive() {
-        let client = Client::with_connector(Pool::with_connector(Default::default(), Issue640Connector));
-
-        let mut s = String::new();
-        client.get("http://127.0.0.1").send().unwrap().read_to_string(&mut s).unwrap();
-        assert_eq!(s, "GET");
-
-        let mut s = String::new();
-        client.head("http://127.0.0.1").send().unwrap().read_to_string(&mut s).unwrap();
-        assert_eq!(s, "");
-
-        let mut s = String::new();
-        client.post("http://127.0.0.1").send().unwrap().read_to_string(&mut s).unwrap();
-        assert_eq!(s, "POST");
-    }
-    */
-}