@Test void span_64bitTraceId_THRIFT() {
    span = span.toBuilder().traceId(span.traceId().substring(16)).build();

    assertThat(SpanBytesEncoder.THRIFT.encode(span)).hasSize(492);
  }
the following skeletal span is used in dependency linking
zipkin/src/test/java/zipkin2/codec/SpanBytesEncoderTest.java