AssetItem asset = pkg.addAsset( "testDeclaredTypeStore", "" );
asset.updateFormat("model.drl");
asset.updateContent("declare Foo\n name: String\n end");
asset.checkin("");
RuleAsset ass = new RuleAsset();
ch.retrieveAssetContent(ass, pkg, asset);
assertTrue(ass.content instanceof FactModels);
FactModels fm = (FactModels) ass.content;
assertEquals(1, fm.models.size());