Language.class_eval do
  def test_only_fake_response
    {status: Mumuki::Laboratory::Status::Failed, result: 'noop result'}
  end

  def run_tests!(*)
    test_only_fake_response
  end

  def run_query!(*)
    test_only_fake_response
  end
end

Assignment.class_eval do
  def failed!
    update! status: :failed
  end
end