chore(test): fix broken 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 6ddf305..2f19397 100644
--- a/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py
@@ -3213,7 +3213,7 @@
 			account.disabled = 0
 			account.save()
 
-	@change_settings("Accounts Settings", {"unlink_payment_on_cancel_of_invoice": 1})
+	@change_settings("Accounts Settings", {"unlink_payment_on_cancellation_of_invoice": 1})
 	def test_gain_loss_with_advance_entry(self):
 		from erpnext.accounts.doctype.journal_entry.test_journal_entry import make_journal_entry