test: add product_code in create_loan_product (#37416)

diff --git a/erpnext/accounts/doctype/bank_clearance/test_bank_clearance.py b/erpnext/accounts/doctype/bank_clearance/test_bank_clearance.py
index 2a18830..ace751b 100644
--- a/erpnext/accounts/doctype/bank_clearance/test_bank_clearance.py
+++ b/erpnext/accounts/doctype/bank_clearance/test_bank_clearance.py
@@ -43,6 +43,7 @@
 		def create_loan_masters():
 			create_loan_product(
 				"Clearance Loan",
+				"Clearance Loan",
 				2000000,
 				13.5,
 				25,
diff --git a/erpnext/accounts/doctype/bank_transaction/test_bank_transaction.py b/erpnext/accounts/doctype/bank_transaction/test_bank_transaction.py
index 2a504f6..4a6491d 100644
--- a/erpnext/accounts/doctype/bank_transaction/test_bank_transaction.py
+++ b/erpnext/accounts/doctype/bank_transaction/test_bank_transaction.py
@@ -422,6 +422,7 @@
 
 	create_loan_product(
 		"Personal Loan",
+		"Personal Loan",
 		500000,
 		8.4,
 		is_term_loan=1,