[fixes] set is_stock_item for test items
diff --git a/erpnext/selling/doctype/sales_order/test_sales_order.py b/erpnext/selling/doctype/sales_order/test_sales_order.py
index 9d08899..cd669af 100644
--- a/erpnext/selling/doctype/sales_order/test_sales_order.py
+++ b/erpnext/selling/doctype/sales_order/test_sales_order.py
@@ -300,10 +300,10 @@
 		from erpnext.selling.doctype.sales_order.sales_order import make_drop_shipment, make_delivery_note
 		from erpnext.stock.doctype.item.test_item import make_item
 
-		po_item = make_item("_Test Item for Drop Shipping", {"is_stock_item": 0, "is_sales_item": 1,
+		po_item = make_item("_Test Item for Drop Shipping", {"is_stock_item": 1, "is_sales_item": 1,
 			"is_purchase_item": 1, "is_drop_ship": 1, 'default_supplier': '_Test Supplier'})
 
-		dn_item = make_item("_Test Regular Item", {"is_stock_item": 0, "is_sales_item": 1,
+		dn_item = make_item("_Test Regular Item", {"is_stock_item": 1, "is_sales_item": 1,
 			"is_purchase_item": 1})
 
 		so_items = [