@Test
    void verifyEmptyValue() {
        val cipher = mock(CipherExecutor.class);
        when(cipher.decode(anyString(), any())).thenReturn(StringUtils.EMPTY);
        val mgr = new EncryptedCookieValueManager(CipherExecutorResolver.with(cipher),
            mock(TenantExtractor.class), DefaultCookieSameSitePolicy.INSTANCE);
        assertNull(mgr.obtainCookieValue("something", new MockHttpServletRequest()));
    }
This is {@link EncryptedCookieValueManagerTests}.

@author Misagh Moayyed
@since 6.2.0
core/cas-server-core-cookie-api/src/test/java/org/apereo/cas/web/support/mgmr/EncryptedCookieValueManagerTests.java