test: use different product attribute value; cleanup (#25043)

Co-authored-by: Sagar Vora <sagar@resilient.tech>
diff --git a/erpnext/portal/product_configurator/test_product_configurator.py b/erpnext/portal/product_configurator/test_product_configurator.py
index 97042db..3521e7e 100644
--- a/erpnext/portal/product_configurator/test_product_configurator.py
+++ b/erpnext/portal/product_configurator/test_product_configurator.py
@@ -10,8 +10,38 @@
 test_dependencies = ["Item"]
 
 class TestProductConfigurator(unittest.TestCase):
-	def setUp(self):
-		self.create_variant_item()
+	@classmethod
+	def setUpClass(cls):
+		cls.create_variant_item()
+
+	@classmethod
+	def create_variant_item(cls):
+		if not frappe.db.exists('Item', '_Test Variant Item - 2XL'):
+			frappe.get_doc({
+				"description": "_Test Variant Item - 2XL",
+				"item_code": "_Test Variant Item - 2XL",
+				"item_name": "_Test Variant Item - 2XL",
+				"doctype": "Item",
+				"is_stock_item": 1,
+				"variant_of": "_Test Variant Item",
+				"item_group": "_Test Item Group",
+				"stock_uom": "_Test UOM",
+				"item_defaults": [{
+					"company": "_Test Company",
+					"default_warehouse": "_Test Warehouse - _TC",
+					"expense_account": "_Test Account Cost for Goods Sold - _TC",
+					"buying_cost_center": "_Test Cost Center - _TC",
+					"selling_cost_center": "_Test Cost Center - _TC",
+					"income_account": "Sales - _TC"
+				}],
+				"attributes": [
+					{
+						"attribute": "Test Size",
+						"attribute_value": "2XL"
+					}
+				],
+				"show_variant_in_website": 1
+			}).insert()
 
 	def test_product_list(self):
 		template_items = frappe.get_all('Item', {'show_in_website': 1})
@@ -46,39 +76,6 @@
 
 	def test_get_products_for_website(self):
 		items = get_products_for_website(attribute_filters={
-			'Test Size': ['Medium']
+			'Test Size': ['2XL']
 		})
 		self.assertEqual(len(items), 1)
-
-
-	def create_variant_item(self):
-		if not frappe.db.exists('Item', '_Test Variant Item 1'):
-			frappe.get_doc({
-				"description": "_Test Variant Item 12",
-				"doctype": "Item",
-				"is_stock_item": 1,
-				"variant_of": "_Test Variant Item",
-				"item_code": "_Test Variant Item 1",
-				"item_group": "_Test Item Group",
-				"item_name": "_Test Variant Item 1",
-				"stock_uom": "_Test UOM",
-				"item_defaults": [{
-					"company": "_Test Company",
-					"default_warehouse": "_Test Warehouse - _TC",
-					"expense_account": "_Test Account Cost for Goods Sold - _TC",
-					"buying_cost_center": "_Test Cost Center - _TC",
-					"selling_cost_center": "_Test Cost Center - _TC",
-					"income_account": "Sales - _TC"
-				}],
-				"attributes": [
-					{
-						"attribute": "Test Size",
-						"attribute_value": "Medium"
-					}
-				],
-				"show_variant_in_website": 1
-			}).insert()
-
-
-	def tearDown(self):
-		frappe.db.rollback()
\ No newline at end of file
diff --git a/erpnext/portal/product_configurator/utils.py b/erpnext/portal/product_configurator/utils.py
index 21fd7c2..d77eb2c 100644
--- a/erpnext/portal/product_configurator/utils.py
+++ b/erpnext/portal/product_configurator/utils.py
@@ -298,7 +298,7 @@
 
 
 def get_items(filters=None, search=None):
-	start = frappe.form_dict.start or 0
+	start = frappe.form_dict.get('start', 0)
 	products_settings = get_product_settings()
 	page_length = products_settings.products_per_page
 
diff --git a/erpnext/stock/doctype/item_attribute/test_records.json b/erpnext/stock/doctype/item_attribute/test_records.json
index d346979..6aa6ffd 100644
--- a/erpnext/stock/doctype/item_attribute/test_records.json
+++ b/erpnext/stock/doctype/item_attribute/test_records.json
@@ -4,10 +4,12 @@
 		"attribute_name": "Test Size",
 		"priority": 1,
 		"item_attribute_values": [
+			{"attribute_value": "Extra Small", "abbr": "XSL"},
 			{"attribute_value": "Small", "abbr": "S"},
 			{"attribute_value": "Medium", "abbr": "M"},
 			{"attribute_value": "Large", "abbr": "L"},
-			{"attribute_value": "Extra Small", "abbr": "XSL"}
+			{"attribute_value": "Extra Large", "abbr": "XL"},
+			{"attribute_value": "2XL", "abbr": "2XL"}
 		]
 	},
 	{