fix: Test
diff --git a/erpnext/buying/doctype/purchase_order/test_purchase_order.py b/erpnext/buying/doctype/purchase_order/test_purchase_order.py
index 83f002e..158799c 100644
--- a/erpnext/buying/doctype/purchase_order/test_purchase_order.py
+++ b/erpnext/buying/doctype/purchase_order/test_purchase_order.py
@@ -245,6 +245,10 @@
self.assertEqual(po.taxes[0].tax_amount, 60)
self.assertEqual(po.taxes[0].total, 660)
+ frappe.db.sql("""UPDATE `tabItem Tax` set valid_from = NULL
+ where parent = %(item)s and item_tax_template = %(tax)s""",
+ {"item": item, "tax": tax_template})
+
def test_update_child_uom_conv_factor_change(self):
po = create_purchase_order(item_code="_Test FG Item", is_subcontracted="Yes")
total_reqd_qty = sum([d.get("required_qty") for d in po.as_dict().get("supplied_items")])