fix: Test case
diff --git a/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py b/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py
index f119e11..c0382a2 100644
--- a/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py
@@ -2547,9 +2547,10 @@
 		acc_settings = frappe.get_doc('Accounts Settings', 'Accounts Settings')
 		acc_settings.book_deferred_entries_via_journal_entry = 0
 		acc_settings.submit_journal_entriessubmit_journal_entries = 0
-		acc_settings.acc_frozen_upto = None
 		acc_settings.save()
 
+		frappe.db.set_value('Accounts Settings', None, 'acc_frozen_upto', add_days(getdate(), 1))
+
 def get_sales_invoice_for_e_invoice():
 	si = make_sales_invoice_for_ewaybill()
 	si.naming_series = 'INV-2020-.#####'