/**
     * Checks if the cluster state has changed.
     *
     * @param status The current cluster status.
     * @return true if the state has changed, false otherwise.
     */
    public boolean isChangedClusterState(final int status) {
        return previousClusterState.getAndSet(status) != status;
    }

    /**
     * Creates a new action validator.
     *
     * @param requestManager  The request manager.

    }

    @Test
    public void test_isChangedClusterState() {
        systemHelper.isChangedClusterState(0);
        assertFalse(systemHelper.isChangedClusterState(0));
        assertTrue(systemHelper.isChangedClusterState(1));
        assertTrue(systemHelper.isChangedClusterState(2));
        assertFalse(systemHelper.isChangedClusterState(2));
    }

    @Test
    public void test_getRedirectResponseToLogin() {