@Test
public void deleteAclEntryToAdaptable() {

    final TopicPath topicPath = topicPath(TopicPath.Action.DELETE);
    final JsonPointer path = JsonPointer.of("/acl/" + TestConstants.AUTHORIZATION_SUBJECT.getId());
    final Adaptable expected = Adaptable.newBuilder(topicPath)
            .withPayload(Payload.newBuilder(path).build())
            .withHeaders(TestConstants.HEADERS_V_1)
            .build();
    final DeleteAclEntry deleteAclEntry = DeleteAclEntry.of(TestConstants.THING_ID,
            TestConstants.AUTHORIZATION_SUBJECT, TestConstants.HEADERS_V_1_NO_CONTENT_TYPE);
    final Adaptable actual = underTest.toAdaptable(deleteAclEntry, channel);
    assertWithExternalHeadersThat(actual).isEqualTo(expected);
}