Fix tests from the previous commit

Fixes:
- struct_::non_closed::missing_field

Changelog.md

@@ -58,6 +58,7 @@
 - [#421]: Fixed unknown bug in serde deserialization of externally tagged enums
   when an enum variant represented as a `Text` event (i.e. `<xml>tag</xml>`)
   and a document encoding is not an UTF-8
+- [#434]: Fixed incorrect error generated in some cases by serde deserializer
 
 ### Misc Changes
 
@@ -158,6 +159,7 @@
 - [#363]: Add tests for `Reader::read_event_impl` to ensure that proper events generated for corresponding inputs
 - [#407]: Improved benchmark suite to cover whole-document parsing, escaping and unescaping text
 - [#418]: Parameterized macrobenchmarks and comparative benchmarks, added throughput measurements via criterion
+- [#434]: Added more tests for serde deserialier
 
 [#8]: https://github.com/Mingun/fast-xml/pull/8
 [#9]: https://github.com/Mingun/fast-xml/pull/9
@@ -178,6 +180,7 @@
 [#418]: https://github.com/tafia/quick-xml/pull/418
 [#421]: https://github.com/tafia/quick-xml/pull/421
 [#423]: https://github.com/tafia/quick-xml/pull/423
+[#434]: https://github.com/tafia/quick-xml/pull/434
 [#437]: https://github.com/tafia/quick-xml/pull/437
 
 ## 0.23.0 -- 2022-05-08

src/de/map.rs

@@ -298,7 +298,13 @@ where
                     };
                     key.map(Some)
                 }
-                _ => Ok(None),
+                // Stop iteration after reaching a closing tag
+                DeEvent::End(e) if e.name() == self.start.name() => Ok(None),
+                // This is a unmatched closing tag, so the XML is invalid
+                DeEvent::End(e) => Err(DeError::UnexpectedEnd(e.name().as_ref().to_owned())),
+                // We cannot get `Eof` legally, because we always inside of the
+                // opened tag `self.start`
+                DeEvent::Eof => Err(DeError::UnexpectedEof),
             }
         }
     }