@Test public void nextSpan_should_clear_propagation_headers() {

  Propagation.B3_STRING.injector(SETTER).inject(parent, message);
  Propagation.B3_SINGLE_STRING.injector(SETTER).inject(parent, message);
  jmsTracing.nextSpan(message);
  assertThat(ITJms.propertiesToMap(message)).isEmpty();
}