jspg error refactoring checkpoint

src/validator/rules/not.rs

@@ -13,7 +13,7 @@ impl<'a> ValidationContext<'a> {
       if sub_res.is_valid() {
         result.errors.push(ValidationError {
           code: "NOT_VIOLATED".to_string(),
-          message: "Matched 'not' schema".to_string(),
+          values: None,
           path: self.path.to_string(),
         });
       }