@Setup(Level.Trial) public void init() { Tracing tracing = Tracing.newBuilder().spanReporter(Reporter.NOOP).build(); producer = new FakeProducer(); tracingProducer = KafkaTracing.create(tracing).producer(producer); tracingB3SingleProducer = KafkaTracing.newBuilder(tracing).writeB3SingleFormat(true).build().producer(producer); }