add base feature specs

spec/system/account_settings_spec.rb

@@ -0,0 +1,39 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe 'Account Settings' do
+  let!(:account) { create(:account) }
+  let!(:user) { create(:user, account:) }
+  let!(:encrypted_config) { create(:encrypted_config, account:, key: EncryptedConfig::APP_URL_KEY, value: 'https://www.test.com') }
+
+  before do
+    sign_in(user)
+    visit settings_account_path
+  end
+
+  it 'shows pre-filled account settings page' do
+    expect(page).to have_content('Account')
+    expect(page).to have_field('Company Name', with: account.name)
+    expect(page).to have_field('Timezone', with: account.timezone)
+    expect(page).to have_field('Time format', with: account.locale)
+    expect(page).to have_field('App URL', with: encrypted_config.value)
+  end
+
+  it 'updates the account settings' do
+    fill_in 'Company Name', with: 'New Company Name'
+    fill_in 'App URL', with: 'https://example.com'
+    select '(GMT+01:00) Berlin', from: 'Timezone'
+    select 'Spanish (Spain)', from: 'Time format'
+
+    click_button 'Update'
+
+    account.reload
+    encrypted_config.reload
+
+    expect(account.name).to eq('New Company Name')
+    expect(account.timezone).to eq('Berlin')
+    expect(account.locale).to eq('es-ES')
+    expect(encrypted_config.value).to eq('https://example.com')
+  end
+end