tests: no need to include Structure 'NewUser'

Signed-off-by: Ralf Zerres <ralf.zerres@networkx.de>

src/functions/tests.rs

@@ -177,7 +177,7 @@ fn examine_set_user_struct_json() {
 #[test]
 /// examine results when setting user columns via json options
 fn examine_set_user_struct_json_option() {
-    use crate::models::users::NewUser;
+    //use crate::models::users::NewUser;
     use schema::users::dsl::*;
     use serde_json;