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Test Info:
// 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");
});