Bug fix for Qbo bill refund (#609)

* Support for refund for Bill module

* linting

* Test cases and comment resolved

* added more tests

* making test case better

* corrected test

* corrected fixture

* corrected test

* spent_at test fixed

* linting fixed

* bug fix for refund for bill

* made changes

* making safe code

* made correct changes

* remove comma

apps/workspaces/apis/export_settings/serializers.py

@@ -144,9 +144,9 @@ def update(self, instance, validated):
         expense_group_settings['import_card_credits'] = False
 
         if (
-            workspace_general_settings.get('corporate_credit_card_expenses_object') == 'JOURNAL ENTRY'
+            workspace_general_settings.get('corporate_credit_card_expenses_object') in ('JOURNAL ENTRY', 'BILL')
             or (map_merchant_to_vendor and workspace_general_settings['corporate_credit_card_expenses_object'] == 'CREDIT CARD PURCHASE')
-            or (workspace_general_settings.get('reimbursable_expenses_object') in ('JOURNAL ENTRY', 'EXPENSE'))
+            or (workspace_general_settings.get('reimbursable_expenses_object') in ('JOURNAL ENTRY', 'EXPENSE', 'BILL'))
         ):
             expense_group_settings['import_card_credits'] = True