@Test
public void testAddAndGetInstance() {
Container container = Clarence.please().gimmeThatTainer();
SchedulerProvider given = new DefaultSchedulerProvider();
container.addInstance(SchedulerProvider.class, given);
container.addInstance(Integer.class, CommonConstants.Properties.MONITORING_THREAD_POOL_SIZE, 4);
SchedulerProvider received = container.get(SchedulerProvider.class);
assertEquals(given, received);
}