feature spec でも request spec でも controller spec でも 同様にログインしたい

utilities.rb

def sign_in(user)
  case example.metadata[:type]
  when :controller, :request
    cookies[:remember_token] = user.remember_token
  when :feature
    visit signin_path
    fill_in "Email", with: user.email.upcase
    fill_in "Password", with: user.password
    click_button "Sign in"
  else
    raise
  end
end