void retrievesBy64Or128BitTraceId(List<Span> trace) throws IOException {
    String traceId =
      trace.stream().filter(t -> t.traceId().length() == 32).findAny().get().traceId();

    assertGetTraceReturns(traceId, trace);
    assertGetTraceReturns(traceId.substring(16), trace);
  }
Ensures we can still lookup fully 128-bit traces when strict trace ID id disabled
zipkin-tests/src/main/java/zipkin2/storage/ITStrictTraceIdFalse.java