@Test
    void verifySingleValueAsList() throws Throwable {
        val claims = new JwtClaims();
        oidcIdTokenClaimCollector.collect(claims, "mail", List.of("cas@example.org"));
        assertEquals(1, claims.getStringListClaimValue("mail").size());
    }
This is {@link OidcSimpleIdTokenClaimCollectorTests}.

@author Misagh Moayyed
@since 7.0.0
support/cas-server-support-oidc/src/test/java/org/apereo/cas/oidc/claims/OidcSimpleIdTokenClaimCollectorTests.java