fix(test): enable perpetual inventory

(cherry picked from commit 875a2e4)

Author: Sudharsanan11

erpnext/stock/doctype/landed_cost_voucher/test_landed_cost_voucher.py

@@ -180,13 +180,29 @@ def test_landed_cost_voucher_stock_impact(self):
 		self.assertEqual(last_sle_after_landed_cost.stock_value - last_sle.stock_value, 50.0)
 
 	def test_lcv_validates_company(self):
+		from erpnext import is_perpetual_inventory_enabled
+		from erpnext.accounts.doctype.account.test_account import create_account
 		from erpnext.stock.doctype.landed_cost_voucher.landed_cost_voucher import (
 			IncorrectCompanyValidationError,
 		)
 
 		company_a = "_Test Company"
 		company_b = "_Test Company with perpetual inventory"
 
+		srbnb = create_account(
+			account_name="Stock Received But Not Billed",
+			account_type="Stock Received But Not Billed",
+			parent_account="Stock Liabilities - _TC",
+			company=company_a,
+			account_currency="INR",
+		)
+
+		epi = is_perpetual_inventory_enabled(company_a)
+		company_doc = frappe.get_doc("Company", company_a)
+		company_doc.enable_perpetual_inventory = 1
+		company_doc.stock_received_but_not_billed = srbnb
+		company_doc.save()
+
 		pr = make_purchase_receipt(
 			company=company_a,
 			warehouse="Stores - _TC",
@@ -212,6 +228,9 @@ def test_lcv_validates_company(self):
 		distribute_landed_cost_on_items(lcv)
 		lcv.submit()
 
+		frappe.db.set_value("Company", company_a, "enable_perpetual_inventory", epi)
+		frappe.local.enable_perpetual_inventory = {}
+
 	def test_landed_cost_voucher_for_zero_purchase_rate(self):
 		"Test impact of LCV on future stock balances."
 		from erpnext.stock.doctype.item.test_item import make_item