Developing Discourse Plugins - Part 5 - Add an admin interface

If anyone runs into a testing error, I had to add id="show-tentacle" to the button component to get the tests to pass in part 6 of the tutorial:

<div class="buttons">
  {{d-button label="purple_tentacle.show" action="showTentacle" icon="eye" id="show-tentacle"}}
</div>