@Test public void receive_continues_parent_trace_single_header() throws Exception {

  ActiveMQTextMessage message = new ActiveMQTextMessage();
  message.setStringProperty("b3", B3SingleFormat.writeB3SingleFormatWithoutParentId(parent));
  receive(message);
  // Ensure the current span in on the message, not the parent
  MutableSpan consumer = testSpanHandler.takeRemoteSpan(CONSUMER);
  assertChildOf(consumer, parent);
  TraceContext messageContext = parseB3SingleFormat(message.getStringProperty("b3")).context();
  assertThat(messageContext.traceIdString()).isEqualTo(consumer.traceId());
  assertThat(messageContext.spanIdString()).isEqualTo(consumer.id());
}