ly: test1, sans-serif; }
#test2 { font-family: test2, monospace; }
#test3 { font-family: test3, sans-serif; }
#test4 { font-family: test4, monospace; }
</style>
<script>
function run() {
  let f1 = new FontFace("test1", "url(resources/GenR102.woff2)");
  document.fonts.add(f1);
  let f2 = new FontFace("to_be_updated", "url(resources/GenR102.woff2)");
  document.fonts.add(f2);
  let f3 = new FontFace("test3", "url(resources/GenR102.woff2)", { weight: 700 });
  document.fonts.add(f3);
  let f4 = new FontFace(