@Test
public void putGetMaintTest() {

    CacheManager cacheManager = CacheManager.getInstance();
    for (int i = 1; i <= 1100; i++) {
        cacheManager.put("key-" + i , "value-" + i);
    }
    cacheManager.maintenance(String.class);
    for (int i = 1; i <= 100; i++) {
        Assert.assertNull(cacheManager.get(String.class, "key-" + i));
    }
    for (int i = 101; i <= 1100; i++) {
        Assert.assertEquals("value-" + i, cacheManager.get(String.class, "key-" + i));
    }
}