@Test
public void shouldFirePostColumn() {

    KeyValueEntity entity = KeyValueEntity.of("key", "value");
    subject.firePostKeyValue(entity);
    ArgumentCaptor<KeyValueEntityPostPersist> captor = ArgumentCaptor.forClass(KeyValueEntityPostPersist.class);
    verify(keyValueEntityPostPersistEvent).fire(captor.capture());
    KeyValueEntityPostPersist captorValue = captor.getValue();
    assertEquals(entity, captorValue.getEntity());
}