// test reference feature
path = "/refFeature2/refFeature2";
featurePath = new FeaturePathImpl();
featurePath.initialize(path);
assertEquals(path, featurePath.getFeaturePath());
featurePath.typeInit(cas.getDocumentAnnotation().getType());
assertEquals(TypeClass.TYPE_CLASS_FS, featurePath.getTypClass(cas
.getDocumentAnnotation()));
assertEquals(cas.getDocumentAnnotation().getType(), featurePath
.getType(cas.getDocumentAnnotation()));