// 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(function* () { let tab = gBrowser.addTab("about:blank"); yield promiseBrowserLoaded(tab.linkedBrowser); is(tab.linkedBrowser.currentURI.spec, "about:blank", "we will be removing an about:blank tab"); let r = `rand-${Math.random()}`; ss.setTabValue(tab, "foobar", r); yield promiseRemoveTab(tab); let closedTabData = ss.getClosedTabData(window); ok(!closedTabData.includes(r), "tab not stored in _closedTabs"); });