diff --git a/core-java-8/src/test/java/com/baeldung/internationalization/DateTimeFormatterUnitTest.java b/core-java-8/src/test/java/com/baeldung/internationalization/DateTimeFormatterUnitTest.java
index cbb84a8783..1260a6db92 100644
--- a/core-java-8/src/test/java/com/baeldung/internationalization/DateTimeFormatterUnitTest.java
+++ b/core-java-8/src/test/java/com/baeldung/internationalization/DateTimeFormatterUnitTest.java
@@ -48,7 +48,7 @@ public class DateTimeFormatterUnitTest {
     }
 
     @Test
-    public void shoulPrintFormattedDate() {
+    public void shouldPrintFormattedDate() {
         String europeanDatePattern = "dd.MM.yyyy";
         DateTimeFormatter europeanDateFormatter = DateTimeFormatter.ofPattern(europeanDatePattern);
         LocalDate summerDay = LocalDate.of(2016, 7, 31);
@@ -112,4 +112,11 @@ public class DateTimeFormatterUnitTest {
         Assert.assertEquals("Aug 23, 2016 1:12:45 PM", DateTimeFormatter.ofLocalizedDateTime(FormatStyle.MEDIUM).withZone(ZoneId.of("Europe/Helsinki")).format(anotherSummerDay));
         Assert.assertEquals("8/23/16 1:12 PM", DateTimeFormatter.ofLocalizedDateTime(FormatStyle.SHORT).withZone(ZoneId.of("Europe/Helsinki")).format(anotherSummerDay));
     }
+
+    @Test
+    public void shouldPrintFormattedDateTimeWithPredefined() {
+        Assert.assertEquals("2018-03-09", DateTimeFormatter.ISO_LOCAL_DATE.format(LocalDate.of(2018, 3, 9)));
+        Assert.assertEquals("2018-03-09-03:00", DateTimeFormatter.ISO_OFFSET_DATE.format(LocalDate.of(2018, 3, 9).atStartOfDay(ZoneId.of("UTC-3"))));
+        Assert.assertEquals("Fri, 9 Mar 2018 00:00:00 -0300", DateTimeFormatter.RFC_1123_DATE_TIME.format(LocalDate.of(2018, 3, 9).atStartOfDay(ZoneId.of("UTC-3"))));
+    }
 }