async function triggerBlurFor(element) {
  if (isIE()) {
    await nextFrame();
    await nextFrame();
  }
  element.blur();
  if (isIE()) {
    element.blur();
    await nextFrame();
    await nextFrame();
  }
}
Blurs the provided element and await time before and after it on IE.

@example
const el = await fixture('<input type="text" autofocus />');
await triggerBlurFor(el);
// el is no longer focused

@param {HTMLElement} element Element/Node to blur
@returns {Promise<void>} Promise to await until blur is done (for IE)