@MethodSource("data")
  @ParameterizedTest(name = "{0}")
  void propertyTransferredToCollectorBuilder(String property, Object value,
    Function<KafkaCollector.Builder, Object> builderExtractor) {
    initZipkinKafkaCollectorPropertiesOverrideTest(property, value, builderExtractor);
    TestPropertyValues.of(property + ":" + value).applyTo(context);
    Access.registerKafkaProperties(context);
    context.refresh();

    assertThat(Access.collectorBuilder(context))
      .extracting(builderExtractor)
      .isEqualTo(value);
  }
to allow us to define with a lambda
zipkin-server/src/test/java/zipkin2/collector/kafka/ZipkinKafkaCollectorPropertiesOverrideTest.java