t(bad), url(foo.ttf)', valid: true },
    { src: 'url(foo.ttf) tech(unknown), url(foo.ttf)', valid: true },
    { src: 'url(foo.ttf) tech(color-COLRv0) otherfunc(othervalue), url(foo.ttf)', valid: true },
    { src: 'url(foo.ttf), url(something.ttf) format(broken)', valid: true },
    { src: '/* an empty component */, url(foo.ttf)', valid: true },
    { src: 'local(""), url(foo.ttf), unparseable-garbage, local("another font name")', valid: true },
    // But if all components are bad, the descriptor is inva