new TransformationDescription(getModelADescription(), getModelBDescription());
description.forwardField("idA", "#A");
description.forwardField("#A", "#B");
description.forwardField("#B", "#C");
description.forwardField("#C", "#D");
description.forwardField("#D", "#E");
description.forwardField("#E", "#F");
description.forwardField("#F", "idB");
Map<String, Set<String>> result = calculator.getPropertyConnections(description);
assertThat(result.get("idA").contains("idB"), is(true));