old_contents: from saau.loading import load_image_providers, load_service_providers
  
  
  def test_load_service_providers():
      assert list(load_service_providers(None))
  
  
  def test_load_image_providers():
      assert list(load_image_providers(None))
  
new_contents: from saau.loading import load_image_providers, load_service_providers
  from saau.__main__ import initialize_providers, Services
  
  
  def test_load_service_providers():
      services = list(load_service_providers(None))
      services_container = Services()
      assert services
      services = initialize_providers(services, services_container)
      assert services
  
      services_container.inject(services)
      assert services_container.fonts.get_font()
  
  
  def test_load_image_providers():
      assert list(load_image_providers(None))
  
subject: Extend test