@Test
    void verifyOut() {
        val indicator = new AbstractCacheHealthIndicator(0, 0) {
            @Override
            protected CacheStatistics[] getStatistics() {
                return null;
            }
        };
        assertEquals(Status.OUT_OF_SERVICE, indicator.health().getStatus());
    }
Unit test for {@link AbstractCacheHealthIndicator}.

@author Marvin S. Addison
@since 3.5.1
core/cas-server-core-monitor/src/test/java/org/apereo/cas/monitor/CacheHealthIndicatorTests.java