JAVA-8362: Switch to H2 db

spring-batch-2/src/test/java/com/baeldung/batchscheduler/SpringBatchSchedulerIntegrationTest.java

@@ -29,7 +29,7 @@ public class SpringBatchSchedulerIntegrationTest {
     private ApplicationContext context;
 
     @Test
-    public void stopJobsWhenSchedulerDisabled() throws Exception {
+    public void stopJobsWhenSchedulerDisabled() {
         SpringBatchScheduler schedulerBean = context.getBean(SpringBatchScheduler.class);
         await().untilAsserted(() -> Assert.assertEquals(2, schedulerBean.getBatchRunCounter()
                 .get()));