diff --git a/guava/src/test/java/org/baeldung/guava/collections/GuavaOrderingExamplesTest.java b/guava/src/test/java/org/baeldung/guava/collections/GuavaOrderingExamplesTest.java
index ea9dc794ec..c1539d2af8 100644
--- a/guava/src/test/java/org/baeldung/guava/collections/GuavaOrderingExamplesTest.java
+++ b/guava/src/test/java/org/baeldung/guava/collections/GuavaOrderingExamplesTest.java
@@ -1,5 +1,8 @@
 package org.baeldung.guava.collections;
 
+import static org.hamcrest.Matchers.nullValue;
+import static org.junit.Assert.assertThat;
+
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
@@ -16,14 +19,20 @@ public class GuavaOrderingExamplesTest {
     public final void givenCollectionWithNulls_whenSortingWithNullsLast_thenNullsAreLast() {
         final List<Integer> nums = Arrays.asList(3, 5, 4, null, 1, 2);
         Collections.sort(nums, Ordering.natural().nullsLast());
-        System.out.println(nums);
+        assertThat(nums.get(nums.size() - 1), nullValue());
     }
 
     @Test
     public final void givenCollectionWithNulls_whenSortingWithNullsFirst_thenNullsAreFirst() {
         final List<Integer> nums = Arrays.asList(3, 5, 4, null, 1, 2);
         Collections.sort(nums, Ordering.natural().nullsFirst());
-        System.out.println(nums);
+        assertThat(nums.get(0), nullValue());
     }
 
+    @Test
+    public final void whenCollectionIsSortedNullsLastReversed_thenNullAreFirst() {
+        final List<Integer> nums = Arrays.asList(3, 5, 4, null, 1, 2);
+        Collections.sort(nums, Ordering.natural().nullsLast().reverse());
+        assertThat(nums.get(0), nullValue());
+    }
 }