[select-datalist-popover-behavior.tentative.html]
[showPopover and hidePopover should work on the select datalist.]
expected: FAIL
[showPicker should show the select datalist.]
expected: FAIL
[preventDefault on beforetoggle should prevent the datalist from showing.]
expected: FAIL
[showPopover on a disconnected datalist should throw an exception.]
expected: FAIL
[Disconnecting while internally showing the datalist should not crash or show the popover.]
expected: FAIL
[Disconnecting while internally hiding the datalist should not crash.]
expected: FAIL