```ruby
require 'test_helper'
require 'action_controller'
require 'typescript-rails'

class SiteController < ActionController::Base
  self.view_paths = File.expand_path("../support", __FILE__)
end

DummyApp = ActionDispatch::Routing::RouteSet.new
DummyApp.draw do
  get "site/index"
  get "site/ref1_1"
  get "site/ref1_2"
  get "site/ref2_1"
  get "site/ref2_2"
end

class TemplateHandlerTest < ActiveSupport::TestCase
  include Rack::Test::Methods

  def app
    @app ||= DummyApp
  end

  test "typescript views are served as javascript" do
    get "/site/index.js"

    s = last_response.body
    assert_match "var x = 5;", last_response.body
  end

  test "<reference> to other .ts file works" do
    get "/site/ref1_2.js"
    assert_match "var f = function (x, y) {\n    return x + y;\n};\nf(1, 2);\n", last_response.body
  end

  test "<reference> to other .d.ts file works" do
    get "/site/ref2_2.js"
    assert_match "f(1, 2);\n", last_response.body
  end

end
```

Update tests to use a more flexible match to get around multi-system line endings
user
```ruby
require 'test_helper'
require 'action_controller'
require 'typescript-rails'

class SiteController < ActionController::Base
  self.view_paths = File.expand_path("../support", __FILE__)
end

DummyApp = ActionDispatch::Routing::RouteSet.new
DummyApp.draw do
  get "site/index"
  get "site/ref1_1"
  get "site/ref1_2"
  get "site/ref2_1"
  get "site/ref2_2"
end

class TemplateHandlerTest < ActiveSupport::TestCase
  include Rack::Test::Methods

  def app
    @app ||= DummyApp
  end

  test "typescript views are served as javascript" do
    get "/site/index.js"

    s = last_response.body
    assert_match /var x = 5;\s*/, last_response.body
  end

  test "<reference> to other .ts file works" do
    get "/site/ref1_2.js"
    assert_match /var f = function \(x, y\) {\s*return x \+ y;\s*};\s*f\(1, 2\);\s*/, last_response.body
  end

  test "<reference> to other .d.ts file works" do
    get "/site/ref2_2.js"
    assert_match /f\(1, 2\);\s*/, last_response.body
  end

end
```
assistant