// first run
FactType factType = kbase.getFactType( "org.test", "Foo" );
Object foo = factType.newInstance();
factType.set( foo, "id", "a" );
StatelessKnowledgeSession ksession = kbase.newStatelessKnowledgeSession();
ksession.execute( foo );
assertEquals( "c", factType.get( foo, "id" ) );
// remove rule
kbase.removeRule( "org.test", "R2" );