public void test_available_withSystemHelper() {
        ComponentUtil.register(new Object(), "systemHelper");

        assertFalse(ComponentUtil.available());
    }

    @Test
    public void test_available_withoutSystemHelper() {
        assertFalse(ComponentUtil.available());
    }

    @Test
    public void test_hasComponent_existsInMap() {
        String testInstance = "test_instance";