Bug 1210022 - adding missing actionable roles to marionette a11y checks. r=automatedtester

testing/marionette/elements.js

@@ -78,6 +78,10 @@ Accessibility.prototype = {
     'check menu item',
     'radio menu item',
     'option',
+    'listbox option',
+    'listbox rich option',
+    'check rich option',
+    'combobox option',
     'radiobutton',
     'rowheader',
     'switch',