nded attribute exists on inherited interfaces');

    test(function() {
        var map = interfaceFrom('interface A { [Default] object toJSON(); static attribute DOMString foo; };').default_to_json_operation();
        assert_equals(map.size, 0);
    }, 'should not include static attributes');

    test(function() {
        var map = interfaceFrom('interface A { [Default] object toJSON(); attribute Promise<DOMString> bar; };').default_to_json_operation();
        assert_equals(map.size, 0);
    }, 'should 