@Test(expected = PolicyIdNotAllowedException.class)
public void ensuresNoPolicyInV1Command() {

    final DittoHeaders v1Headers = DittoHeaders.newBuilder().schemaVersion(JsonSchemaVersion.V_1).build();
    final Thing thingWithoutAclAndPolicy = TestConstants.Thing.THING.toBuilder()
            .removeAllPermissions()
            .removePolicyId()
            .build();
    final JsonObject initialPolicy = JsonObject.newBuilder().build();
    ModifyThing.of(TestConstants.Thing.THING_ID, thingWithoutAclAndPolicy, initialPolicy, v1Headers);
}