browser/components/sessionstore/test/browser_623779.js


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"use strict";

add_task(function* () {
  gBrowser.pinTab(gBrowser.selectedTab);

  let newTab = gBrowser.duplicateTab(gBrowser.selectedTab);
  yield promiseTabRestored(newTab);

  ok(!newTab.pinned, "duplicating a pinned tab creates unpinned tab");
  yield promiseRemoveTab(newTab);

  gBrowser.unpinTab(gBrowser.selectedTab);
});