Fix #5238 test

Author: cowtowncoder

src/test-jdk17/java/com/fasterxml/jackson/databind/records/JsonIdentityOnRecord5238Test.java

@@ -40,7 +40,7 @@ static class ThingPojo {
         public final String name;
 
         @JsonCreator
-        public ThingPojo(@JsonProperty("prefixId") int id, @JsonProperty("name") String name) {
+        public ThingPojo(@JsonProperty("id") int id, @JsonProperty("name") String name) {
             this.id = id;
             this.name = name;
         }
@@ -79,5 +79,4 @@ void testIdentityWithRecord() throws Exception {
         assertEquals(input.selected.id, result.selected.id);
         assertEquals(input.selected.name, result.selected.name);
     }
-
-}
+}