static Stream<Arguments> testScenarios() {
        return Stream.of(
            arguments(OidcBackchannelTokenDeliveryModes.POLL.name()),
            arguments(OidcBackchannelTokenDeliveryModes.PING.name()),
            arguments(OidcBackchannelTokenDeliveryModes.PUSH.name()),
            arguments(StringUtils.EMPTY)
        );
    }
This is {@link AccessTokenCibaGrantRequestExtractorTests}.

@author Misagh Moayyed
@since 7.1.0
support/cas-server-support-oidc/src/test/java/org/apereo/cas/oidc/token/ciba/AccessTokenCibaGrantRequestExtractorTests.java