@Test public void handleSend_traceIdSamplerSpecialCased() {

  Sampler sampler = mock(Sampler.class);
  init(httpTracingBuilder(tracingBuilder().sampler(sampler))
      .clientSampler(SamplerFunctions.deferDecision()));
  assertThat(handler.handleSend(request).isNoop()).isTrue();
  verify(sampler).isSampled(anyLong());
}