def create_mrp_test_user(url, token, username, password, email)
        begin
          response = RestClient::Request.execute(
              :url        => "#{url}/users",
              :method     => :post,
              :verify_ssl => false,
              :headers    => {
                  'Content-Type' => 'application/x-www-form-urlencoded',
                  'Accept'       => 'application/vnd.alertme.zoo-6.5+json',
                  'X-Omnia-Access-Token' => token,
                  'X-Alertme-Client'  => ' mrp-test'
              },
              :data => {
                { :users => [{
                  :username => username
                  :password => password
                  :email => email
                  }]
                }
               }.to_json
          )

          JSON.parse(response.body)['users']
        rescue => e
          AM::Log.warn("Failed to insert user: #{e.message}")
          nil
        end
      end