// Tests that an about:blank tab with no history will not be saved into // session store and thus, it will not show up in Recently Closed Tabs. "use strict"; add_task(async function () { let tab = BrowserTestUtils.addTab(gBrowser, "about:blank"); await promiseBrowserLoaded(tab.linkedBrowser); is( tab.linkedBrowser.currentURI.spec, "about:blank", "we will be removing an about:blank tab" ); let r = `rand-${Math.random()}`; ss.setCustomTabValue(tab, "foobar", r); await promiseRemoveTabAndSessionState(tab); let closedTabData = ss.getClosedTabDataForWindow(window); ok(!closedTabData.includes(r), "tab not stored in _closedTabs"); });