    @Test
    public void runSimpleQuery() throws Exception {

        db.cleanContent(false);
        expectNodes(0);
        Node i = data.get().get("I");
        //Representation result = testQuery( JSON.toObject( "{\"(Joe)\":{\"name\":\"Joe\"}}" ) );
        List<String> rules = JSON.toListOfStrings("[\"(Joe) {\\\"name\\\":\\\"Joe\\\"}\"]");
        plugin.insert(db, rules.toArray(new String[rules.size()]), null);
        expectNodes(1);
    }