@Test
public void startForwarderActorSuccessfully() {

    final DittoHeaders dittoHeaders = DittoHeaders.newBuilder()
            .correlationId(testName.getMethodName())
            .acknowledgementRequest(AcknowledgementRequest.of(DittoAcknowledgementLabel.TWIN_PERSISTED),
                    AcknowledgementRequest.of(AcknowledgementLabel.of("my-ack")))
            .build();
    final AcknowledgementForwarderActorStarter underTest = getActorStarter(dittoHeaders);
    softly.assertThat(underTest.get()).isPresent();
}