login_steps.rb

Given ("I am on the login screen") do
  @login_page = LoginPage.new
  @login_page.load
end

When ("I log in using {string}") do | user |
  @login_page.user_field.set USER[user]
  @login_page.password_field.set PASSWORD[user]
  @login_page.btn_login.click
end

Then ("I should be directed to the main page") do
  current_page_is?(NAMES['current_page'])
end