Removes role="application" from xblock wrapper and tests.

drag_and_drop_v2/public/js/drag_and_drop.js

@@ -279,7 +279,7 @@ function DragNDropTemplates(url_name) {
                     problemHeader,
                     h('p', {innerHTML: ctx.problem_html}),
                 ]),
-                h('section.drag-container', { attributes: { role: 'application' } }, [
+                h('section.drag-container', {}, [
                     h(
                         'div.item-bank',
                         renderCollection(itemTemplate, items_in_bank, ctx)

tests/integration/test_render.py

@@ -161,7 +161,7 @@ class TestDragAndDropRender(BaseIntegrationTest):
     def test_drag_container(self):
         self.load_scenario()
         item_bank = self._page.find_element_by_css_selector('.drag-container')
-        self.assertEqual(item_bank.get_attribute('role'), 'application')
+        self.assertIsNone(item_bank.get_attribute('role'))
 
     def test_zones(self):
         self.load_scenario()