add_task(function* () {
yield new Promise(resolve => {
SpecialPowers.pushPrefEnv({"set": [["browser.autofocus", false]]}, resolve);
});
const url = "data:text/html,";
let loadedPromise = BrowserTestUtils.browserLoaded(gBrowser.selectedBrowser);
gBrowser.selectedBrowser.loadURI(url);
yield loadedPromise;
yield new Promise(resolve => executeSoon(resolve));
yield ContentTask.spawn(gBrowser.selectedBrowser, null, function* () {
is(content.document.activeElement, content.document.body, "body focused");
});
});