private static Consumer.Builder createConsumer(ConsumerId consumerId, String metricName, String outputName) {
        return new Consumer.Builder()
                .name(consumerId.id)
                .metric(new Consumer.Metric.Builder()
                                .dimension(new Consumer.Metric.Dimension.Builder().key("somekey").value("somevalue"))
                                .name(metricName)
                                .outputname(outputName));
    }
Setup and shutdown of config and servers for integration-style unit tests.

@author hmusum
@author gjoranv
metrics-proxy/src/test/java/ai/vespa/metricsproxy/rpc/IntegrationTester.java