@Test
public void determineActorNameReturnsExpected() {

    final String correlationId = "my-correlation-id";
    final DittoHeaders dittoHeaders = DittoHeaders.newBuilder().correlationId(correlationId).build();
    final String expected = AcknowledgementForwarderActor.ACTOR_NAME_PREFIX + correlationId;
    final String actual = AcknowledgementForwarderActor.determineActorName(dittoHeaders);
    assertThat(actual).isEqualTo(expected);
}