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Test Info:
/* Any copyright is dedicated to the Public Domain.
add_task(async function () {
const ROOT =
const URL = ROOT + "discovery.html";
let iconPromise = waitForFaviconMessage(
true,
);
let tab = await BrowserTestUtils.openNewForegroundTab(gBrowser, URL);
let icon = await iconPromise;
await SpecialPowers.spawn(gBrowser.selectedBrowser, [ROOT], root => {
let doc = content.document;
let head = doc.head;
let link = doc.createElement("link");
link.rel = "icon";
link.href = root + "rich_moz_1.png";
link.type = "image/png";
head.appendChild(link);
let link2 = link.cloneNode(false);
link2.href = root + "rich_moz_2.png";
head.appendChild(link2);
});
icon = await waitForFaviconMessage();
Assert.equal(
icon.iconURL,
ROOT + "rich_moz_2.png",
"The expected icon has been set"
);
BrowserTestUtils.removeTab(tab);
});