@Test
    void verifyUnknownDefinitionAsSingle() throws Throwable {
        val claims = new JwtClaims();
        oidcIdTokenClaimCollector.collect(claims, "unknown", List.of("value1"));
        assertEquals("value1", claims.getStringClaimValue("unknown"));
    }
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