@Test public void parseTraceparentFormat_padded_right() {

  assertThat(
    parseB3SingleFormat(traceIdHigh + "0000000000000000-" + spanId + "-1-" + parentId).context()
  ).isEqualToComparingFieldByField(TraceContext.newBuilder()
    .traceIdHigh(Long.parseUnsignedLong(traceIdHigh, 16))
    .parentId(Long.parseUnsignedLong(parentId, 16))
    .spanId(Long.parseUnsignedLong(spanId, 16))
    .sampled(true).build()
  );
}