update a test

src/test/java/org/springframework/data/aerospike/core/sync/AerospikeTemplateSaveWithDuplicatesTests.java

@@ -57,7 +57,12 @@ public void shouldSaveAllVersionedDocumentsAndSetVersionAndThrowExceptionIfDupli
             assertThat(second.getVersion()).isSameAs(0);
 
             // An attempt to save the same versioned documents in one batch results in getting an exception
-            assertThatThrownBy(() -> template.saveAll(List.of(first, first, second, second)))
+            assertThatThrownBy(() -> template.saveAll(List.of(first, first)))
+                .isInstanceOf(OptimisticLockingFailureException.class)
+                .hasMessageFindingMatch("Failed to save the record with ID .* due to versions mismatch");
+
+            // An attempt to save the same versioned documents in one batch results in getting an exception
+            assertThatThrownBy(() -> template.saveAll(List.of(second, second)))
                 .isInstanceOf(OptimisticLockingFailureException.class)
                 .hasMessageFindingMatch("Failed to save the record with ID .* due to versions mismatch");