diff --git a/erpnext/stock/doctype/purchase_receipt/test_purchase_receipt.py b/erpnext/stock/doctype/purchase_receipt/test_purchase_receipt.py
index c96536d049a..cef2f7420e8 100644
--- a/erpnext/stock/doctype/purchase_receipt/test_purchase_receipt.py
+++ b/erpnext/stock/doctype/purchase_receipt/test_purchase_receipt.py
@@ -3693,7 +3693,7 @@ class TestPurchaseReceipt(IntegrationTestCase):
 
 		columns, data = execute(
 			filters=frappe._dict(
-				{"item_code": item_code, "warehouse": pr.items[0].warehouse, "company": pr.company}
+				{"item_code": [item_code], "warehouse": [pr.items[0].warehouse], "company": pr.company}
 			)
 		)
 
diff --git a/erpnext/stock/report/stock_balance/test_stock_balance.py b/erpnext/stock/report/stock_balance/test_stock_balance.py
index 1b856f3ed0d..a0176026c48 100644
--- a/erpnext/stock/report/stock_balance/test_stock_balance.py
+++ b/erpnext/stock/report/stock_balance/test_stock_balance.py
@@ -23,7 +23,7 @@ class TestStockBalance(IntegrationTestCase):
 		self.filters = _dict(
 			{
 				"company": "_Test Company",
-				"item_code": self.item.name,
+				"item_code": [self.item.name],
 				"from_date": "2020-01-01",
 				"to_date": str(today()),
 			}
@@ -165,6 +165,6 @@ class TestStockBalance(IntegrationTestCase):
 		variant.save()
 
 		self.generate_stock_ledger(variant.name, [_dict(qty=5, rate=10)])
-		rows = stock_balance(self.filters.update({"show_variant_attributes": 1, "item_code": variant.name}))
+		rows = stock_balance(self.filters.update({"show_variant_attributes": 1, "item_code": [variant.name]}))
 		self.assertPartialDictEq(attributes, rows[0])
 		self.assertInvariants(rows)
diff --git a/erpnext/stock/report/stock_ledger/test_stock_ledger_report.py b/erpnext/stock/report/stock_ledger/test_stock_ledger_report.py
index e7bd53c68ab..66e7560caa6 100644
--- a/erpnext/stock/report/stock_ledger/test_stock_ledger_report.py
+++ b/erpnext/stock/report/stock_ledger/test_stock_ledger_report.py
@@ -17,7 +17,7 @@ class TestStockLedgerReeport(IntegrationTestCase):
 			company="_Test Company",
 			from_date=today(),
 			to_date=add_days(today(), 30),
-			item_code="_Test Stock Report Serial Item",
+			item_code=["_Test Stock Report Serial Item"],
 		)
 
 	def tearDown(self) -> None:
diff --git a/erpnext/stock/report/test_reports.py b/erpnext/stock/report/test_reports.py
index 36e3e2d29bf..986c1404cbe 100644
--- a/erpnext/stock/report/test_reports.py
+++ b/erpnext/stock/report/test_reports.py
@@ -18,8 +18,15 @@ batch = get_random("Batch")
 REPORT_FILTER_TEST_CASES: list[tuple[ReportName, ReportFilters]] = [
 	("Stock Ledger", {"_optional": True}),
 	("Stock Ledger", {"batch_no": batch}),
-	("Stock Ledger", {"item_code": "_Test Item", "warehouse": "_Test Warehouse - _TC"}),
-	("Stock Balance", {"_optional": True}),
+	("Stock Ledger", {"item_code": ["_Test Item"], "warehouse": ["_Test Warehouse - _TC"]}),
+	(
+		"Stock Balance",
+		{
+			"item_code": ["_Test Item"],
+			"warehouse": ["_Test Warehouse - _TC"],
+			"item_group": "_Test Item Group",
+		},
+	),
 	("Stock Projected Qty", {"_optional": True}),
 	("Batch-Wise Balance History", {}),
 	("Itemwise Recommended Reorder Level", {"item_group": "All Item Groups"}),