Minor clean up wrt #4680

Author: cowtowncoder

release-notes/VERSION-2.x

@@ -20,7 +20,8 @@ Project: jackson-databind
 #4676: Support other enum naming strategies than camelCase
  (requested by @hajdamak)
  (contributed by Lars B)
-#4680: Custom key deserialiser registered for Object.class is ignored on nested JSON
+#4680: Custom key deserialiser registered for `Object.class` in nested
+  Map object is ignored when Map key type not defined
  (reported by @devdanylo)
  (fix by Joo-Hyuk K)
 #4773: `SerializationFeature.ORDER_MAP_ENTRIES_BY_KEYS` should not apply to Maps

src/test/java/com/fasterxml/jackson/databind/deser/CustomObjectKeyDeserializer4680Test.java renamed to src/test/java/com/fasterxml/jackson/databind/deser/jdk/CustomMapKeyDeserializer4680Test.java

@@ -1,4 +1,4 @@
-package com.fasterxml.jackson.databind.deser;
+package com.fasterxml.jackson.databind.deser.jdk;
 
 import java.util.Map;
 
@@ -14,7 +14,7 @@
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
 // [databind#4680] Custom key deserializer registered for `Object.class` is ignored on nested JSON
-public class CustomObjectKeyDeserializer4680Test
+public class CustomMapKeyDeserializer4680Test
 {
     @SuppressWarnings("unchecked")
     @Test