verifier.addResourcesToVerify(ResourceFactory.newClassPathResource(
"RestrictionsTest.drl", getClass()), ResourceType.DRL);
assertFalse(verifier.hasErrors());
boolean noProblems = verifier.fireAnalysis();
assertTrue(noProblems);
Collection<? extends Object> overlaps = ((VerifierImpl) verifier)
.getKnowledgeSession().getObjects(
new ClassObjectFilter(Overlap.class));