zammad/app/views/layouts/tests.html.erb

<% content_for :content do %>
  <link rel="stylesheet" href="/assets/tests/qunit-2.17.2.css">
  <%= javascript_include_tag "/assets/tests/qunit-2.17.2.js",
    "/assets/tests/sinon-9.2.4",
    "/assets/tests/syn-0.15.0",
    "/assets/tests/qunit/#{@filename}.js",
    nonce: true %>

  <style type="text/css">
    body {
      padding-top: 0px;
    }

    #qunit {
      position: initial;
    }
  </style>

  <%= yield %>
<% end %>

<%= render template: 'layouts/application' %>