Add schedule_date when creating Purchase Order

erpnext/buying/doctype/purchase_order/test_purchase_order.py

@@ -149,6 +149,7 @@ def create_purchase_order(**args):
 	if args.transaction_date:
 		po.transaction_date = args.transaction_date
 
+	po.schedule_date = add_days(nowdate(), 1)
 	po.company = args.company or "_Test Company"
 	po.supplier = args.customer or "_Test Supplier"
 	po.is_subcontracted = args.is_subcontracted or "No"

erpnext/demo/user/purchase.py

@@ -128,6 +128,7 @@ def make_subcontract():
 		po = frappe.new_doc("Purchase Order")
 		po.is_subcontracted = "Yes"
 		po.supplier = get_random("Supplier")
+		po.schedule_date = frappe.utils.add_days(frappe.flags.current_date, 7)
 
 		item_code = get_random("Item", {"is_sub_contracted_item": 1})