@Test
public void testSimpleConfig() throws Exception {
assertNotNull(ctx);
assertTrue(ctx.containsBean(YarnSystemConstants.DEFAULT_ID_CLIENT));
YarnClient client = ctx.getBean(YarnSystemConstants.DEFAULT_ID_CLIENT, YarnClient.class);
assertNotNull(client);
ctx.containsBean("dependencyBean");
DependencyBean dependencyBean = ctx.getBean(DependencyBean.class);
assertNotNull(dependencyBean.getConfiguration());