assert_response :success
post '/login', {'user[email]' => moderator.email, 'user[password]' => "test", :referer => "/blocks/#{block.id}/revoke"}
assert_response :redirect
assert_response :success
post '/login', {'user[email]' => moderator.email, 'user[password]' => "test", :referer => "/blocks/#{block.id}/revoke"}
assert_response :redirect