@bender-tags: 4.14.1, bug, 3938
@bender-ui: collapsed
@bender-ckeditor-plugins: wysiwygarea, toolbar, basicstyles, autocomplete, textmatch, sourcearea
@bender-include: _helpers/utils.js

1. Focus the editor.
1. Type `@`.
1. Navigate to the latest completion item using arrow keys.

  **Expected:** You can navigate completion panel using a keyboard.

1. Switch to source area and back to content editing mode.
1. Repeat 1-3.
