Add assertion on session factory in HibernateItemWriterBuilderTests

spring-batch-infrastructure/src/test/java/org/springframework/batch/item/database/builder/HibernateItemWriterBuilderTests.java

@@ -29,6 +29,7 @@ import org.springframework.batch.item.database.HibernateItemWriter;
 import org.springframework.batch.item.sample.Foo;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
@@ -91,6 +92,7 @@ public class HibernateItemWriterBuilderTests {
 		try {
 			new HibernateItemWriterBuilder<Foo>()
 					.build();
+			fail("sessionFactory is required");
 		}
 		catch (IllegalStateException ise) {
 			assertEquals("Incorrect message", "SessionFactory must be provided", ise.getMessage());