'use strict';
function RunTestsInIFrame(sourceURL) {
let frame = document.createElement('iframe');
frame.src = sourceURL;
document.body.appendChild(frame);
fetch_tests_from_window(frame.contentWindow);
}
function RunTestsInNestedIFrame(sourceURL) {
let nestedFrame = document.createElement('iframe');
document.body.appendChild(nestedFrame);
let content = `