fix(woocommerce integration): travis fix

(cherry picked from commit 2518a2ab169948cff56bfbbedbf7198327b33f25)
diff --git a/erpnext/tests/test_woocommerce.py b/erpnext/tests/test_woocommerce.py
index dbca56c..fc850d5 100644
--- a/erpnext/tests/test_woocommerce.py
+++ b/erpnext/tests/test_woocommerce.py
@@ -20,6 +20,7 @@
 			woo_settings.enable_sync = 1
 			woo_settings.tax_account = "Sales Expenses - W"
 			woo_settings.f_n_f_account = "Expenses - W"
+			woo_settings.creation_user = "Administrator"
 			woo_settings.save(ignore_permissions=True)
 
 	def test_sales_order_for_woocommerece(self):