Moves/Updates general_settings_spec into system

spec/system/admin/configuration/general_settings_spec.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require 'spec_helper'
+require 'system_helper'
 
 describe "General Settings" do
   include AuthenticationHelper
@@ -34,7 +34,7 @@ describe "General Settings" do
 
   context 'editing currency symbol position' do
     it 'updates its position' do
-      expect(page).to have_content('Currency Settings')
+      expect(page).to have_content('CURRENCY SETTINGS')
 
       within('.currency') do
         find("[for='currency_symbol_position_after']").click