Consolidate system specs into single directory, use rspec tags for configuration (#30206)

spec/system/log_in_spec.rb

@@ -0,0 +1,51 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+describe 'Log in' do
+  include ProfileStories
+
+  subject { page }
+
+  let(:email)        { 'test@example.com' }
+  let(:password)     { 'password' }
+  let(:confirmed_at) { Time.zone.now }
+
+  before do
+    as_a_registered_user
+    visit new_user_session_path
+  end
+
+  it 'A valid email and password user is able to log in' do
+    fill_in 'user_email', with: email
+    fill_in 'user_password', with: password
+    click_on I18n.t('auth.login')
+
+    expect(subject).to have_css('div.app-holder')
+  end
+
+  it 'A invalid email and password user is not able to log in' do
+    fill_in 'user_email', with: 'invalid_email'
+    fill_in 'user_password', with: 'invalid_password'
+    click_on I18n.t('auth.login')
+
+    expect(subject).to have_css('.flash-message', text: failure_message('invalid'))
+  end
+
+  context 'when confirmed at is nil' do
+    let(:confirmed_at) { nil }
+
+    it 'A unconfirmed user is able to log in' do
+      fill_in 'user_email', with: email
+      fill_in 'user_password', with: password
+      click_on I18n.t('auth.login')
+
+      expect(subject).to have_css('div.admin-wrapper')
+    end
+  end
+
+  def failure_message(message)
+    keys = User.authentication_keys.map { |key| User.human_attribute_name(key) }
+    I18n.t("devise.failure.#{message}", authentication_keys: keys.join('support.array.words_connector'))
+  end
+end