michael@0: function test() {
michael@0:   waitForExplicitFinish();
michael@0:   var privateWin = OpenBrowserWindow({private: true});
michael@0: 
michael@0:   whenDelayedStartupFinished(privateWin, function () {
michael@0:     privateWin.BrowserOpenTab();
michael@0:     privateWin.BrowserTryToCloseWindow();
michael@0:     ok(true, "didn't prompt");
michael@0: 
michael@0:     executeSoon(finish);
michael@0:   });
michael@0: }