Try to test sinatra app

test.rb

require 'test/unit'
require 'rack/test'
require 'sinatra/async'

class MyAppTest < Test::Unit::TestCase
  include Rack::Test::Methods

  def app
    Sinatra::Application
  end

  def test_add_task
    get '/send', :http => 'http://ya.ru/'
    assert_equal 200, last_response.status
  end

end