add_task(async () => { const testPath = // eslint-disable-next-line @microsoft/sdl/no-insecure-url "http://example.com/browser/browser/base/content/test/favicons/blank.html"; // eslint-disable-next-line @microsoft/sdl/no-insecure-url const expectedIcon = "http://example.com/favicon.ico"; let tab = BrowserTestUtils.addTab(gBrowser, testPath); gBrowser.selectedTab = tab; let browser = tab.linkedBrowser; let faviconPromise = waitForLinkAvailable(browser); await BrowserTestUtils.browserLoaded(browser); let iconURI = await faviconPromise; is(iconURI, expectedIcon, "Got correct initial icon."); faviconPromise = waitForLinkAvailable(browser); BrowserTestUtils.startLoadingURIString(browser, testPath); await BrowserTestUtils.browserLoaded(browser); iconURI = await faviconPromise; is(iconURI, expectedIcon, "Got correct icon on second load."); BrowserTestUtils.removeTab(tab); });