FLOE-226: All feedback tool buttons share one dialog and one tooltip.

http://issues.fluidproject.org/browse/FLOE-226
Because line 81 (https://github.com/cindyli/metadata/blob/FLOE-226/tests/components/feedback/js/bindDialogTests.js#L81) accesses a selector that's in the bindDialog-Test.html for the dialog container that needs to be supplied as a component option but supposed to be in the component "selectors" option. Wrapping the whole test is to ensure this selector is ready when it's used.