s not allowed');

test_specified_maps(function(map){
    verify_map_no_append(map, generate_property('<length>+'), '10px');
}, 'Appending a string to <length>+ is not allowed');

test_specified_maps(function(map){
    verify_map_no_append(map, generate_property('<number>+'), '1.3');
}, 'Appending a string to <number>+ is not allowed');

test_specified_maps(function(map){
    verify_map_no_append(map, generate_property('<percentage>+'), '10%');
}, 'Appending a string to <percentage>+ is not allowed');

test_