public when_publishing_an_event()
 {
     Publisher.Use(new TestPipelineAdapter(test_publisher), new PublishingContext("TEST_SYSTEM", "TEST"));
     expected_event = new TestEvent();
 }
 public when_a_null_event_is_published()
 {
     Publisher.Use(new TestPipelineAdapter(test_publisher), new PublishingContext("TEST_SYSTEM", "TEST"));
     expected_event = null;
 }