@Test
public void testIsServiceExists() {

    dsm.startup();
    String name = ConcreteExample.class.getName();
    boolean exists = dsm.isServiceExists(name);
    assertTrue(exists);
    name = SampleAnnotationBean.class.getName();
    exists = dsm.isServiceExists(name);
    assertTrue(exists);
    name = SpringAnnotationBean.class.getName();
    exists = dsm.isServiceExists(name);
    assertTrue(exists);
    exists = dsm.isServiceExists("XXXXXXXXXXXXXXX");
    assertFalse(exists);
}