diff --git a/erpnext/accounts/doctype/purchase_invoice/test_purchase_invoice.py b/erpnext/accounts/doctype/purchase_invoice/test_purchase_invoice.py
index e20e385..9d2acdc 100644
--- a/erpnext/accounts/doctype/purchase_invoice/test_purchase_invoice.py
+++ b/erpnext/accounts/doctype/purchase_invoice/test_purchase_invoice.py
@@ -263,14 +263,6 @@
 		})
 		pi.submit()
 
-		# gle = frappe.get_all(
-		# 	"GL Entry",
-		# 	fields = ['account', 'debit', 'credit', 'posting_date'],
-		# 	filters = {'voucher_no': pi.name}
-		# )
-		# for gl in gle:
-		# 	print(gl, "\n")
-
 		expected_gle = [
 			["_Test Account Cost for Goods Sold - _TC", 100.0, 0.0, nowdate()],
 			["_Test Account VAT - _TC", 20.0, 0.0, nowdate()],
@@ -1196,7 +1188,6 @@
 		where voucher_type='Purchase Invoice' and voucher_no=%s and posting_date >= %s
 		order by posting_date asc, account asc""", (voucher_no, posting_date), as_dict=1)
 
-	print(gl_entries)
 	for i, gle in enumerate(gl_entries):
 		doc.assertEqual(expected_gle[i][0], gle.account)
 		doc.assertEqual(expected_gle[i][1], gle.debit)
diff --git a/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py b/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py
index 1c0177d..a7fbbdd 100644
--- a/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py
@@ -2008,7 +2008,7 @@
 		additional_discount_account = create_account(account_name="Discount Account",
 			parent_account="Indirect Expenses - _TC", company="_Test Company")
 		
-		si = create_sales_invoice(rate=100, do_not_save=1)
+		si = create_sales_invoice(rate=100, parent_cost_center='Main - _TC', do_not_save=1)
 		si.apply_discount_on = "Grand Total"
 		si.additional_discount_account = additional_discount_account
 		si.additional_discount_percentage = 20
@@ -2016,7 +2016,6 @@
 			"charge_type": "Actual",
 			"account_head": "_Test Account VAT - _TC",
 			"cost_center": "Main - _TC",
-			"parent_cost_center": "Main - _TC",
 			"description": "Test",
 			"rate": 0,
 			"tax_amount": 20