app/views/orgs/assignment_repos/_assignment_repo.html.erb
<include-fragment src="<%= url %>" class="flex-table assignment-repo-list-item">
<div class="flex-table-item text-center">
<%= image_tag 'octocat-spinner-128.gif', width: 43, height: 43, class: 'spinner' %>
<%= octicon 'alert', height: 43, class: 'octicon-alert' %>
</div>
</include-fragment>