added tests

config/locales/admin/accounts.en.yml

@@ -1,4 +1,5 @@
 en:
+  edit_balance: Edit balance
   admin:
     accounts:
       index:
@@ -16,6 +17,3 @@ en:
         registrar_name: Registrar
         reset_btn: Reset
         download_csv_btn: CSV
-
-      account:
-        edit_balance: Edit balance

test/system/admin_area/accounts_test.rb

@@ -3,6 +3,7 @@ require 'application_system_test_case'
 class AdminAccountsSystemTest < ApplicationSystemTestCase
   setup do
     sign_in users(:admin)
+    @account = registrars(:bestnames).cash_account
   end
 
   def test_download_accounts
@@ -17,4 +18,16 @@ class AdminAccountsSystemTest < ApplicationSystemTestCase
                  response.headers['Content-Disposition']
     assert_not_empty response.body
   end
+
+  def test_change_account_balance
+    puts @account.inspect
+    visit edit_admin_account_path(@account)
+    assert_button 'Save'
+    assert_field 'Balance'
+    fill_in 'Balance', with: '234'
+    click_on 'Save'
+
+    assert_text 'Account has been successfully updated'
+    assert_text '234'
+  end
 end