resolver.add(repoAdmin.getHelper().requirement("bundle", "(symbolicname=res2)"));
assertFalse(resolver.resolve());
resolver = repoAdmin.resolver();
resolver.add(repoAdmin.getHelper().requirement("bundle", "(symbolicname=res3)"));
assertTrue(resolver.resolve());
resolver = repoAdmin.resolver();
resolver.add(repoAdmin.getHelper().requirement("bundle", "(symbolicname=res4)"));
assertFalse(resolver.resolve());