Super'ing to a mod

rustbook/communicator/src/lib.rs

@@ -4,8 +4,10 @@ pub mod network;
 
 #[cfg(test)]
 mod tests {
+    use super::client;
+
     #[test]
     fn it_works() {
-        assert_eq!(2 + 2, 4);
+        client::connect();
     }
 }