Fix unique IDs for placed item descriptions. Fix drop zone role.

drag_and_drop_v2/drag_and_drop_v2.py

@@ -126,7 +126,6 @@ class DragAndDropBlock(XBlock, XBlockWithSettingsMixin, ThemableXBlockMixin):
             'public/js/vendor/jquery-ui-touch-punch-0.2.3.min.js',  # Makes it work on touch devices
             'public/js/vendor/virtual-dom-1.3.0.min.js',
             'public/js/drag_and_drop.js',
-            'public/js/view.js',
         )
         for css_url in css_urls:
             fragment.add_css_url(self.runtime.local_resource_url(self, css_url))

tests/integration/test_interaction.py

@@ -131,7 +131,7 @@ class InteractionTestBase(object):
         self.wait_until_visible(item)
         item_content = item.find_element_by_css_selector('.item-content')
         item_description = item.find_element_by_css_selector('.sr')
-        item_description_id = 'item-{}-description'.format(item_value)
+        item_description_id = '-item-{}-description'.format(item_value)
 
         self.assertIsNone(item.get_attribute('tabindex'))
         self.assertEqual(item.get_attribute('aria-grabbed'), 'false')