Function cleanupTestPageElements

testing/init-tests-helpers.js:180–192

* Cleans up any HTML elements that tests might have added to the document.

()

 * Cleans up any HTML elements that tests might have added to the document.
 */
function cleanupTestPageElements() {
  const cleanupTagNames = ['link', 'meta', 'iframe'];
  const cleanup = document.querySelectorAll(cleanupTagNames.join(','));
  for (let i = 0; i < cleanup.length; i++) {
    try {
      const element = cleanup[i];
      removeElement(element);
    } catch (e) {
      // This sometimes fails for unknown reasons.
      console./*OK*/ log(e);
    }
  }
}