further clarify the expectation after changing is_err() assertion to is_ok()

Author: Byron

gix-config/src/parse/nom/tests.rs

@@ -808,8 +808,10 @@ mod key_value_pair {
     fn nonascii_is_allowed_for_values_but_not_for_keys() {
         let mut node = ParseNode::SectionHeader;
         let mut vec = Default::default();
-        // Verifying `is_ok` because bad keys get ignored
-        assert!(key_value("你好".as_bytes(), &mut node, &mut vec).is_ok());
+        assert!(
+            key_value("你好".as_bytes(), &mut node, &mut vec).is_ok(),
+            "Verifying `is_ok` because bad keys get ignored, the caller parser handles this as error"
+        );
         assert_eq!(vec, into_events(vec![]));
 
         let mut node = ParseNode::SectionHeader;