@Bean
        public TransportChannelProvider subscriberTransportChannelProvider(final GcpPubSubProperties properties) {
            val channel = ManagedChannelBuilder.forTarget(properties.getEmulatorHost()).usePlaintext().build();
            return FixedTransportChannelProvider.create(GrpcTransportChannel.create(channel));
        }
This is {@link GoogleCloudPubSubTicketRegistryTests}.

@author Misagh Moayyed
@since 7.0.0
support/cas-server-support-gcp-pubsub-ticket-registry/src/test/java/org/apereo/cas/ticket/registry/GoogleCloudPubSubTicketRegistryTests.java