uib-rating: The WAI-ARIA property aria-valuetext is not supported on elements with WAI-ARIA role button

[tomkdgun]

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Bug description:

The WAI-ARIA property aria-valuetext is not supported on elements with WAI-ARIA role button.
This is for uib-rating star element, and is related with accessibility.
https://www.w3.org/TR/wai-aria/states_and_properties#aria-valuetext

<i class="glyphicon ng-scope glyphicon-star" aria-valuetext="one" ng-attr-title="{{r.title}}" ng-class="$index < value && (r.stateOn || 'glyphicon-star') || (r.stateOff || 'glyphicon-star-empty')" ng-click="rate($index + 1)" ng-mouseenter="enter($index + 1)" ng-repeat-end="" role="button" tabindex="0" title="one">

Link to minimally-working plunker that reproduces the issue: N/A

Version of Angular, UIBS, and Bootstrap

Angular: 1.4.9

UIBS: 1.2.1

Bootstrap: 3.3.6

[wesleycho]

Looks like aria-valuetext was on the wrong element - it was on each star element, but it should have been on the top level element in the template.