app/views/open_conference_ware/authentications/_developer.html.erb
<div class="auth-provider developer">
<h3>Developer</h3>
<form id='developer_form' action='<%= auth_callback_path(:developer) %>'>
<button name='email' value='admin@ocw.local' type='submit' class='btn btn-default'>Sign in as Admin</button>
<button name='email' value='mortal@ocw.local' type='submit' class='btn btn-default'>Sign in as User</button>
</form>
</div>