@Test
    void verifyActionFailsWithFailOver() throws Throwable {
        val server = mock(RadiusServer.class);
        when(server.authenticate(anyString(), anyString())).thenReturn(null);
        val result = RadiusUtils.authenticate("casuser", "Mellon",
            CollectionUtils.wrapList(server), true, false, Optional.empty());
        assertFalse(result.getKey());
    }
This is {@link RadiusUtilsTests}.

@author Misagh Moayyed
@since 5.3.0
support/cas-server-support-radius-core/src/test/java/org/apereo/cas/adaptors/radius/RadiusUtilsTests.java