fix: membership test cases
diff --git a/erpnext/non_profit/doctype/membership/test_membership.py b/erpnext/non_profit/doctype/membership/test_membership.py
index a7fad9d..db56527 100644
--- a/erpnext/non_profit/doctype/membership/test_membership.py
+++ b/erpnext/non_profit/doctype/membership/test_membership.py
@@ -33,7 +33,7 @@
plan.membership_type = "_rzpy_test_milythm"
plan.amount = 100
plan.razorpay_plan_id = "_rzpy_test_milythm"
- plan.linked_item = create_item("_Test Item for Non Profit Membership").name
+ plan.linked_item = create_item("_Test Item for Non Profit Membership", is_stock_item=0).name
plan.insert()
# make test member