OZG-6239 typo und code style

src/test/java/de/ozgcloud/xta/test/app/mapper/RequestMapperTest.java

@@ -195,7 +195,7 @@ public class RequestMapperTest {
 	@DisplayName("map message meta data listing request")
 	@Nested
 	class TestMapMessageMetaDataListingRequest {
-		private final int MAX_LIST_ITEMS = 10;
+		private static final int MAX_LIST_ITEMS = 10;
 
 		@DisplayName("should map client identifier value")
 		@Test
@@ -205,7 +205,7 @@ public class RequestMapperTest {
 			assertThat(result.clientIdentifierValue()).isEqualTo(READER_IDENTIFIER.value());
 		}
 
-		@DisplayName("should max max list items")
+		@DisplayName("should map max list items")
 		@Test
 		void shouldMaxMaxListItems() {
 			var result = doMapping();

src/test/java/de/ozgcloud/xta/test/app/mapper/ResponseMapperTest.java

@@ -107,7 +107,7 @@ public class ResponseMapperTest {
 	@DisplayName("map MsgBoxResponseType error")
 	@Nested
 	class TestMapMsgBoxResponseTypeError {
-		private final String ERROR_STRING = "some error";
+		private static final String ERROR_STRING = "some error";
 
 		@DisplayName("should map no message available reason")
 		@Test