assertEquals( 2, ksession.fireAllRules() );
kfs.delete("src/main/resources/r1.drl");
((InternalKieBuilder)kieBuilder).createFileSet("src/main/resources/r1.drl").build();
kieContainer.updateToVersion(ks.getRepository().getDefaultReleaseId());
ksession = kieContainer.newKieSession();
ksession.insert(new Message("Hello World"));
assertEquals( 1, ksession.fireAllRules() );
}