partialSub = partialSub.addSub(utils.getVar(0), labels[0]);
partialSub = partialSub.addSub(utils.getVar(1), labels[1]);
partialSub = partialSub.addSub(Constraint.RESULT, labels[6]);
partialSub = partialSub.addSub(Constraint.RECEIVER, labels[3]);
FusionEnvironment<?> env = new FusionEnvironment<TestAliasContext>(aliases, rels, null, types, new InferenceEnvironment(null), variant);
Pair<RelationshipDelta, Substitution> deltas = runFullyBound(env, partialSub, cons);
Relationship eRel = new Relationship(utils.getRelation(1), new ObjectLabel[]{labels[6], labels[1]});
assertEquals(1, deltas.fst().numberOfChanges());