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Test Info:
/* Any copyright is dedicated to the Public Domain.
const ROOT =
add_task(async () => {
await BrowserTestUtils.withNewTab(
{ gBrowser, url: "about:blank" },
async browser => {
let faviconPromise = waitForFaviconMessage(true, `${ROOT}large.png`);
BrowserTestUtils.startLoadingURIString(
browser,
ROOT + "large_favicon.html"
);
await BrowserTestUtils.browserLoaded(browser);
await Assert.rejects(
faviconPromise,
result => {
return result.iconURL == `${ROOT}large.png`;
},
"Should have failed to load the large icon."
);
}
);
});