[fix] travis failed (#10702)

diff --git a/erpnext/selling/doctype/sales_order/tests/test_sales_order_with_multi_uom.js b/erpnext/selling/doctype/sales_order/tests/test_sales_order_with_multi_uom.js
index 74f51ca..84301f5 100644
--- a/erpnext/selling/doctype/sales_order/tests/test_sales_order_with_multi_uom.js
+++ b/erpnext/selling/doctype/sales_order/tests/test_sales_order_with_multi_uom.js
@@ -12,7 +12,7 @@
 						{'delivery_date': frappe.datetime.add_days(frappe.defaults.get_default("year_end_date"), 1)},
 						{'qty': 5},
 						{'item_code': 'Test Product 4'},
-						{'uom': 'unit'},
+						{'uom': 'Unit'},
 					]
 				]},
 				{customer_address: 'Test1-Billing'},