static <T> Object[] parameters(
      String propertySuffix, T value, Function<PulsarCollector.Builder, T> builderExtractor) {
    return new Object[]{"zipkin.collector.pulsar." + propertySuffix, value, builderExtractor};
  }
to allow us to define with a lambda
zipkin-server/src/test/java/zipkin2/collector/pulsar/ZipkinPulsarCollectorPropertiesOverrideTest.java