AUI-3202 do not use aria-pressed with option/tab role, but aria-selected only

Author: orsolyaDekany

src/aui-scheduler/js/aui-scheduler-base.js

@@ -55,7 +55,7 @@ var CSS_SCHEDULER_VIEW_ = A.getClassName('scheduler-base', 'view', ''),
     TPL_SCHEDULER_NAV_DATE = '<div class="' + CSS_SCHEDULER_NAV_DATE + ' hidden-xs" tabindex="0"></div>',
     TPL_SCHEDULER_TODAY = '<button aria-label="{ariaLabel}" role="button" type="button" class="' +
         [CSS_SCHEDULER_TODAY, CSS_BTN, CSS_BTN_DEFAULT].join(' ') + '">{today}</button>',
-    TPL_SCHEDULER_VIEW_BUTTON = '<button aria-label="{ariaLabel}" aria-pressed="false" type="button" class="hidden-xs ' +
+    TPL_SCHEDULER_VIEW_BUTTON = '<button aria-label="{ariaLabel}" type="button" class="hidden-xs ' +
         [CSS_SCHEDULER_VIEW, CSS_SCHEDULER_VIEW_].join(' ') + '{name}" data-view-name="{name}">{label}</button>',
     TPL_SCHEDULER_VIEW_LIST = '<option aria-label="{ariaLabel}" aria-pressed="false" class="' +
         [CSS_SCHEDULER_VIEW, CSS_SCHEDULER_VIEW_].join(' ') + '{name}" data-view-name="{name}">{label}</option>',
@@ -1487,9 +1487,9 @@ var SchedulerBase = A.Component.create({
                     activeNav = instance.viewsNode.one('.' + CSS_SCHEDULER_VIEW_ + activeView);
 
                 if (activeNav) {
-                    instance.viewsNode.all('button').removeClass(CSS_SCHEDULER_VIEW_SELECTED).setAttribute('aria-pressed', false);
+                    instance.viewsNode.all('button').removeClass(CSS_SCHEDULER_VIEW_SELECTED);
                     instance.viewsSelectNode.one('[data-view-name=' + activeView + ']').set('selected', true);
-                    activeNav.addClass(CSS_SCHEDULER_VIEW_SELECTED).setAttribute('aria-pressed', true);
+                    activeNav.addClass(CSS_SCHEDULER_VIEW_SELECTED);
                 }
             }
         },