Revert fix and update Postgres version in Docker Compose

Signed-off-by: Vadim <5587834+vadeg@users.noreply.github.com>

Author: vadeg

docker-compose.yml

@@ -1,8 +1,8 @@
 version: '3'
 services:
   db:
-    image: 'postgres:9.6.10'
+    image: 'postgres:13'
     environment:
       POSTGRES_PASSWORD: 'postgres'
     ports:
-      - '5432:5432'
+      - '5432:5432'

src/main/java/org/zalando/typemapper/core/fieldMapper/ObjectFieldMapper.java

@@ -62,7 +62,7 @@ public static Object mapField(@SuppressWarnings("rawtypes") final Class clazz, f
 
         // instantiate enums by string value
         if (clazz.isEnum()) {
-            final DbResultNode currentNode = node.getChildByName(node.getName());
+            final DbResultNode currentNode = node.getChildByName(node.getType());
             if (currentNode == null) {
                 final String error =
                         String.format(

src/test/java/org/zalando/typemapper/namedresult/CollectionWithEnumsTestIT.java

@@ -30,10 +30,10 @@ public void testListWithEnums() throws Exception {
         final TypeMapper<ClassWithListOfEnums> mapper = TypeMapperFactory.createTypeMapper(ClassWithListOfEnums.class);
         int i = 0;
         while (rs.next()) {
-            final ClassWithListOfEnums result = (ClassWithListOfEnums) mapper.mapRow(rs, i++);
+            final ClassWithListOfEnums result = mapper.mapRow(rs, i++);
             Assert.assertNotNull(result);
             Assert.assertNotNull(result.getEnumList());
-            Assert.assertTrue(result.getEnumList().size() == 2);
+            Assert.assertEquals(2, result.getEnumList().size());
             Assert.assertNotNull(result.getEnumList().get(0));
             Assert.assertNotNull(result.getEnumList().get(1));