pause-paused-animation-for-testing.html

<!DOCTYPE html>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<style>
@keyframes test {}
#target {
  animation: test 1s paused;
}
</style>
<div id="target"></div>
<script>
test(() => {
  internals.pauseAnimations(0);
}, 'Do not crash when pausing a paused animation for testing');
</script>

chromium/third_party/blink/web_tests/animations/stability/pause-paused-animation-for-testing.html