e(generate_property('<time>'), null, CSSUnitValue);
    verify_computed_type(generate_property('fail | <time> '), '42s', CSSUnitValue);
}, 'Computed <time> is reified as CSSUnitValue');

test(function(){
    verify_computed_type(generate_property('<url>'), null, CSSStyleValue);
    verify_computed_type(generate_property('fail | <url> '), 'url(a)', CSSStyleValue);
}, 'Computed <url> is reified as CSSStyleValue');

test(function(){
    verify_computed_type(generate_property('thing1 | THING2'), null, CSSKeywor