require 'rails_helper'

feature "user admin page" do
  scenerio "abc..." do
    user = create(:user)
    login_with(user.email)
    ..
    ..
  end
end

RSpec.configure do |config|
    config.include Features::SessionHelpers, type: feature
end

module Features
    module SessionHelpers
        def login_with(email, password = "Password123")
            visit session_login_path
            fill_in "login_form[email]", with: email
            fill_in "login_form[password]", with: password
            click_button "Sign In"
        end
    end
end

NoMethodError:
  undefined method `login_with' for #<RSpec::Examp...