diff --git a/erpnext/accounts/doctype/opening_invoice_creation_tool/test_opening_invoice_creation_tool.py b/erpnext/accounts/doctype/opening_invoice_creation_tool/test_opening_invoice_creation_tool.py
index 3eaf6a28f37..77d54a605e5 100644
--- a/erpnext/accounts/doctype/opening_invoice_creation_tool/test_opening_invoice_creation_tool.py
+++ b/erpnext/accounts/doctype/opening_invoice_creation_tool/test_opening_invoice_creation_tool.py
@@ -2,6 +2,7 @@
 # See license.txt
 
 import frappe
+from frappe.tests.utils import FrappeTestCase
 
 from erpnext.accounts.doctype.accounting_dimension.test_accounting_dimension import (
 	create_dimension,
@@ -10,11 +11,10 @@ from erpnext.accounts.doctype.accounting_dimension.test_accounting_dimension imp
 from erpnext.accounts.doctype.opening_invoice_creation_tool.opening_invoice_creation_tool import (
 	get_temporary_opening_account,
 )
-from erpnext.tests.utils import ERPNextTestCase
 
 test_dependencies = ["Customer", "Supplier", "Accounting Dimension"]
 
-class TestOpeningInvoiceCreationTool(ERPNextTestCase):
+class TestOpeningInvoiceCreationTool(FrappeTestCase):
 	@classmethod
 	def setUpClass(self):
 		if not frappe.db.exists("Company", "_Test Opening Invoice Company"):
diff --git a/erpnext/e_commerce/shopping_cart/test_shopping_cart.py b/erpnext/e_commerce/shopping_cart/test_shopping_cart.py
index 37b3672806d..9c389d0d0b4 100644
--- a/erpnext/e_commerce/shopping_cart/test_shopping_cart.py
+++ b/erpnext/e_commerce/shopping_cart/test_shopping_cart.py
@@ -5,6 +5,7 @@
 import unittest
 
 import frappe
+from frappe.tests.utils import change_settings
 from frappe.utils import add_months, nowdate
 
 from erpnext.accounts.doctype.tax_rule.tax_rule import ConflictingTaxRule
@@ -15,7 +16,7 @@ from erpnext.e_commerce.shopping_cart.cart import (
 	get_party,
 	update_cart,
 )
-from erpnext.tests.utils import change_settings, create_test_contact_and_address
+from erpnext.tests.utils import create_test_contact_and_address
 
 # test_dependencies = ['Payment Terms Template']
 
diff --git a/erpnext/e_commerce/variant_selector/test_variant_selector.py b/erpnext/e_commerce/variant_selector/test_variant_selector.py
index 4d907c62216..ee098e16e7a 100644
--- a/erpnext/e_commerce/variant_selector/test_variant_selector.py
+++ b/erpnext/e_commerce/variant_selector/test_variant_selector.py
@@ -1,4 +1,5 @@
 import frappe
+from frappe.tests.utils import FrappeTestCase
 
 from erpnext.controllers.item_variant import create_variant
 from erpnext.e_commerce.doctype.e_commerce_settings.test_e_commerce_settings import (
@@ -7,11 +8,10 @@ from erpnext.e_commerce.doctype.e_commerce_settings.test_e_commerce_settings imp
 from erpnext.e_commerce.doctype.website_item.website_item import make_website_item
 from erpnext.e_commerce.variant_selector.utils import get_next_attribute_and_values
 from erpnext.stock.doctype.item.test_item import make_item
-from erpnext.tests.utils import ERPNextTestCase
 
 test_dependencies = ["Item"]
 
-class TestVariantSelector(ERPNextTestCase):
+class TestVariantSelector(FrappeTestCase):
 
 	@classmethod
 	def setUpClass(cls):
@@ -116,4 +116,4 @@ class TestVariantSelector(ERPNextTestCase):
 		self.assertEqual(next_values["exact_match"][0],"Test-Tshirt-Temp-S-R")
 		self.assertEqual(next_values["exact_match"][0],"Test-Tshirt-Temp-S-R")
 		self.assertEqual(price_info["price_list_rate"], 100.0)
-		self.assertEqual(price_info["formatted_price_sales_uom"], "₹ 100.00")
\ No newline at end of file
+		self.assertEqual(price_info["formatted_price_sales_uom"], "₹ 100.00")
diff --git a/erpnext/manufacturing/doctype/blanket_order/test_blanket_order.py b/erpnext/manufacturing/doctype/blanket_order/test_blanket_order.py
index eff2344e85c..d4d337d8412 100644
--- a/erpnext/manufacturing/doctype/blanket_order/test_blanket_order.py
+++ b/erpnext/manufacturing/doctype/blanket_order/test_blanket_order.py
@@ -1,15 +1,15 @@
 # Copyright (c) 2018, Frappe Technologies Pvt. Ltd. and Contributors
 # See license.txt
 import frappe
+from frappe.tests.utils import FrappeTestCase
 from frappe.utils import add_months, today
 
 from erpnext import get_company_currency
-from erpnext.tests.utils import ERPNextTestCase
 
 from .blanket_order import make_order
 
 
-class TestBlanketOrder(ERPNextTestCase):
+class TestBlanketOrder(FrappeTestCase):
 	def setUp(self):
 		frappe.flags.args = frappe._dict()
 
diff --git a/erpnext/manufacturing/doctype/bom/test_bom.py b/erpnext/manufacturing/doctype/bom/test_bom.py
index 53437c80127..3cc91b341c6 100644
--- a/erpnext/manufacturing/doctype/bom/test_bom.py
+++ b/erpnext/manufacturing/doctype/bom/test_bom.py
@@ -7,6 +7,7 @@ from functools import partial
 
 import frappe
 from frappe.test_runner import make_test_records
+from frappe.tests.utils import FrappeTestCase
 from frappe.utils import cstr, flt
 
 from erpnext.buying.doctype.purchase_order.test_purchase_order import create_purchase_order
@@ -17,11 +18,10 @@ from erpnext.stock.doctype.stock_reconciliation.test_stock_reconciliation import
 	create_stock_reconciliation,
 )
 from erpnext.tests.test_subcontracting import set_backflush_based_on
-from erpnext.tests.utils import ERPNextTestCase
 
 test_records = frappe.get_test_records('BOM')
 
-class TestBOM(ERPNextTestCase):
+class TestBOM(FrappeTestCase):
 	def setUp(self):
 		if not frappe.get_value('Item', '_Test Item'):
 			make_test_records('Item')
diff --git a/erpnext/manufacturing/doctype/bom_update_tool/test_bom_update_tool.py b/erpnext/manufacturing/doctype/bom_update_tool/test_bom_update_tool.py
index 12576cbf322..b4c625d6108 100644
--- a/erpnext/manufacturing/doctype/bom_update_tool/test_bom_update_tool.py
+++ b/erpnext/manufacturing/doctype/bom_update_tool/test_bom_update_tool.py
@@ -2,15 +2,15 @@
 # License: GNU General Public License v3. See license.txt
 
 import frappe
+from frappe.tests.utils import FrappeTestCase
 
 from erpnext.manufacturing.doctype.bom_update_tool.bom_update_tool import update_cost
 from erpnext.manufacturing.doctype.production_plan.test_production_plan import make_bom
 from erpnext.stock.doctype.item.test_item import create_item
-from erpnext.tests.utils import ERPNextTestCase
 
 test_records = frappe.get_test_records('BOM')
 
-class TestBOMUpdateTool(ERPNextTestCase):
+class TestBOMUpdateTool(FrappeTestCase):
 	def test_replace_bom(self):
 		current_bom = "BOM-_Test Item Home Desktop Manufactured-001"
 
diff --git a/erpnext/manufacturing/doctype/job_card/test_job_card.py b/erpnext/manufacturing/doctype/job_card/test_job_card.py
index bb5004ba86f..33425d23142 100644
--- a/erpnext/manufacturing/doctype/job_card/test_job_card.py
+++ b/erpnext/manufacturing/doctype/job_card/test_job_card.py
@@ -2,6 +2,7 @@
 # See license.txt
 
 import frappe
+from frappe.tests.utils import FrappeTestCase
 from frappe.utils import random_string
 
 from erpnext.manufacturing.doctype.job_card.job_card import OperationMismatchError, OverlapError
@@ -11,10 +12,9 @@ from erpnext.manufacturing.doctype.job_card.job_card import (
 from erpnext.manufacturing.doctype.work_order.test_work_order import make_wo_order_test_record
 from erpnext.manufacturing.doctype.workstation.test_workstation import make_workstation
 from erpnext.stock.doctype.stock_entry.stock_entry_utils import make_stock_entry
-from erpnext.tests.utils import ERPNextTestCase
 
 
-class TestJobCard(ERPNextTestCase):
+class TestJobCard(FrappeTestCase):
 	def setUp(self):
 		make_bom_for_jc_tests()
 
diff --git a/erpnext/manufacturing/doctype/production_plan/test_production_plan.py b/erpnext/manufacturing/doctype/production_plan/test_production_plan.py
index 2359815813d..b2a41ff5b2a 100644
--- a/erpnext/manufacturing/doctype/production_plan/test_production_plan.py
+++ b/erpnext/manufacturing/doctype/production_plan/test_production_plan.py
@@ -1,6 +1,7 @@
 # Copyright (c) 2017, Frappe Technologies Pvt. Ltd. and Contributors
 # See license.txt
 import frappe
+from frappe.tests.utils import FrappeTestCase
 from frappe.utils import add_to_date, flt, now_datetime, nowdate
 
 from erpnext.controllers.item_variant import create_variant
@@ -16,10 +17,9 @@ from erpnext.stock.doctype.stock_entry.test_stock_entry import make_stock_entry
 from erpnext.stock.doctype.stock_reconciliation.test_stock_reconciliation import (
 	create_stock_reconciliation,
 )
-from erpnext.tests.utils import ERPNextTestCase
 
 
-class TestProductionPlan(ERPNextTestCase):
+class TestProductionPlan(FrappeTestCase):
 	def setUp(self):
 		for item in ['Test Production Item 1', 'Subassembly Item 1',
 			'Raw Material Item 1', 'Raw Material Item 2']:
diff --git a/erpnext/manufacturing/doctype/routing/test_routing.py b/erpnext/manufacturing/doctype/routing/test_routing.py
index 8bd60ea4aca..696d9bca144 100644
--- a/erpnext/manufacturing/doctype/routing/test_routing.py
+++ b/erpnext/manufacturing/doctype/routing/test_routing.py
@@ -2,14 +2,14 @@
 # See license.txt
 import frappe
 from frappe.test_runner import make_test_records
+from frappe.tests.utils import FrappeTestCase
 
 from erpnext.manufacturing.doctype.job_card.job_card import OperationSequenceError
 from erpnext.manufacturing.doctype.work_order.test_work_order import make_wo_order_test_record
 from erpnext.stock.doctype.item.test_item import make_item
-from erpnext.tests.utils import ERPNextTestCase
 
 
-class TestRouting(ERPNextTestCase):
+class TestRouting(FrappeTestCase):
 	@classmethod
 	def setUpClass(cls):
 		cls.item_code = "Test Routing Item - A"
diff --git a/erpnext/manufacturing/doctype/work_order/test_work_order.py b/erpnext/manufacturing/doctype/work_order/test_work_order.py
index 67c47efb5b5..549ec7b4a66 100644
--- a/erpnext/manufacturing/doctype/work_order/test_work_order.py
+++ b/erpnext/manufacturing/doctype/work_order/test_work_order.py
@@ -2,6 +2,7 @@
 # License: GNU General Public License v3. See license.txt
 
 import frappe
+from frappe.tests.utils import FrappeTestCase, timeout
 from frappe.utils import add_days, add_months, cint, flt, now, today
 
 from erpnext.manufacturing.doctype.job_card.job_card import JobCardCancelError
@@ -21,10 +22,9 @@ from erpnext.stock.doctype.item.test_item import create_item, make_item
 from erpnext.stock.doctype.stock_entry import test_stock_entry
 from erpnext.stock.doctype.warehouse.test_warehouse import create_warehouse
 from erpnext.stock.utils import get_bin
-from erpnext.tests.utils import ERPNextTestCase, timeout
 
 
-class TestWorkOrder(ERPNextTestCase):
+class TestWorkOrder(FrappeTestCase):
 	def setUp(self):
 		self.warehouse = '_Test Warehouse 2 - _TC'
 		self.item = '_Test Item'
diff --git a/erpnext/manufacturing/doctype/workstation/test_workstation.py b/erpnext/manufacturing/doctype/workstation/test_workstation.py
index c298c0a8dbb..dd51017bb75 100644
--- a/erpnext/manufacturing/doctype/workstation/test_workstation.py
+++ b/erpnext/manufacturing/doctype/workstation/test_workstation.py
@@ -2,6 +2,7 @@
 # See license.txt
 import frappe
 from frappe.test_runner import make_test_records
+from frappe.tests.utils import FrappeTestCase
 
 from erpnext.manufacturing.doctype.operation.test_operation import make_operation
 from erpnext.manufacturing.doctype.routing.test_routing import create_routing, setup_bom
@@ -10,13 +11,12 @@ from erpnext.manufacturing.doctype.workstation.workstation import (
 	WorkstationHolidayError,
 	check_if_within_operating_hours,
 )
-from erpnext.tests.utils import ERPNextTestCase
 
 test_dependencies = ["Warehouse"]
 test_records = frappe.get_test_records('Workstation')
 make_test_records('Workstation')
 
-class TestWorkstation(ERPNextTestCase):
+class TestWorkstation(FrappeTestCase):
 	def test_validate_timings(self):
 		check_if_within_operating_hours("_Test Workstation 1", "Operation 1", "2013-02-02 11:00:00", "2013-02-02 19:00:00")
 		check_if_within_operating_hours("_Test Workstation 1", "Operation 1", "2013-02-02 10:00:00", "2013-02-02 20:00:00")
diff --git a/erpnext/selling/doctype/customer/test_customer.py b/erpnext/selling/doctype/customer/test_customer.py
index 5301fd0524d..165ee818729 100644
--- a/erpnext/selling/doctype/customer/test_customer.py
+++ b/erpnext/selling/doctype/customer/test_customer.py
@@ -4,12 +4,13 @@
 
 import frappe
 from frappe.test_runner import make_test_records
+from frappe.tests.utils import FrappeTestCase
 from frappe.utils import flt
 
 from erpnext.accounts.party import get_due_date
 from erpnext.exceptions import PartyDisabled, PartyFrozen
 from erpnext.selling.doctype.customer.customer import get_credit_limit, get_customer_outstanding
-from erpnext.tests.utils import ERPNextTestCase, create_test_contact_and_address
+from erpnext.tests.utils import create_test_contact_and_address
 
 test_ignore = ["Price List"]
 test_dependencies = ['Payment Term', 'Payment Terms Template']
@@ -17,7 +18,7 @@ test_records = frappe.get_test_records('Customer')
 
 
 
-class TestCustomer(ERPNextTestCase):
+class TestCustomer(FrappeTestCase):
 	def setUp(self):
 		if not frappe.get_value('Item', '_Test Item'):
 			make_test_records('Item')
diff --git a/erpnext/selling/doctype/party_specific_item/test_party_specific_item.py b/erpnext/selling/doctype/party_specific_item/test_party_specific_item.py
index b951044f332..9b672b4b5d3 100644
--- a/erpnext/selling/doctype/party_specific_item/test_party_specific_item.py
+++ b/erpnext/selling/doctype/party_specific_item/test_party_specific_item.py
@@ -1,12 +1,10 @@
 # Copyright (c) 2021, Frappe Technologies Pvt. Ltd. and Contributors
 # See license.txt
 
-import unittest
-
 import frappe
+from frappe.tests.utils import FrappeTestCase
 
 from erpnext.controllers.queries import item_query
-from erpnext.tests.utils import ERPNextTestCase
 
 test_dependencies = ['Item', 'Customer', 'Supplier']
 
@@ -18,7 +16,7 @@ def create_party_specific_item(**args):
 	psi.based_on_value = args.get('based_on_value')
 	psi.insert()
 
-class TestPartySpecificItem(ERPNextTestCase):
+class TestPartySpecificItem(FrappeTestCase):
 	def setUp(self):
 		self.customer = frappe.get_last_doc("Customer")
 		self.supplier = frappe.get_last_doc("Supplier")
diff --git a/erpnext/selling/doctype/quotation/test_quotation.py b/erpnext/selling/doctype/quotation/test_quotation.py
index 4357201d23d..a749d9e1f1f 100644
--- a/erpnext/selling/doctype/quotation/test_quotation.py
+++ b/erpnext/selling/doctype/quotation/test_quotation.py
@@ -2,14 +2,13 @@
 # License: GNU General Public License v3. See license.txt
 
 import frappe
+from frappe.tests.utils import FrappeTestCase
 from frappe.utils import add_days, add_months, flt, getdate, nowdate
 
-from erpnext.tests.utils import ERPNextTestCase
-
 test_dependencies = ["Product Bundle"]
 
 
-class TestQuotation(ERPNextTestCase):
+class TestQuotation(FrappeTestCase):
 	def test_make_quotation_without_terms(self):
 		quotation = make_quotation(do_not_save=1)
 		self.assertFalse(quotation.get('payment_schedule'))
diff --git a/erpnext/selling/doctype/sales_order/test_sales_order.py b/erpnext/selling/doctype/sales_order/test_sales_order.py
index 73c5bd299a2..f5a34c0eec3 100644
--- a/erpnext/selling/doctype/sales_order/test_sales_order.py
+++ b/erpnext/selling/doctype/sales_order/test_sales_order.py
@@ -6,6 +6,7 @@ import json
 import frappe
 import frappe.permissions
 from frappe.core.doctype.user_permission.test_user_permission import create_user
+from frappe.tests.utils import FrappeTestCase
 from frappe.utils import add_days, flt, getdate, nowdate, today
 
 from erpnext.controllers.accounts_controller import update_child_qty_rate
@@ -27,10 +28,9 @@ from erpnext.selling.doctype.sales_order.sales_order import (
 )
 from erpnext.stock.doctype.item.test_item import make_item
 from erpnext.stock.doctype.stock_entry.stock_entry_utils import make_stock_entry
-from erpnext.tests.utils import ERPNextTestCase
 
 
-class TestSalesOrder(ERPNextTestCase):
+class TestSalesOrder(FrappeTestCase):
 
 	@classmethod
 	def setUpClass(cls):
diff --git a/erpnext/selling/report/payment_terms_status_for_sales_order/test_payment_terms_status_for_sales_order.py b/erpnext/selling/report/payment_terms_status_for_sales_order/test_payment_terms_status_for_sales_order.py
index cad41e1dc03..f7f8a5dbce3 100644
--- a/erpnext/selling/report/payment_terms_status_for_sales_order/test_payment_terms_status_for_sales_order.py
+++ b/erpnext/selling/report/payment_terms_status_for_sales_order/test_payment_terms_status_for_sales_order.py
@@ -1,6 +1,7 @@
 import datetime
 
 import frappe
+from frappe.tests.utils import FrappeTestCase
 from frappe.utils import add_days
 
 from erpnext.selling.doctype.sales_order.sales_order import make_sales_invoice
@@ -9,12 +10,11 @@ from erpnext.selling.report.payment_terms_status_for_sales_order.payment_terms_s
 	execute,
 )
 from erpnext.stock.doctype.item.test_item import create_item
-from erpnext.tests.utils import ERPNextTestCase
 
 test_dependencies = ["Sales Order", "Item", "Sales Invoice", "Payment Terms Template"]
 
 
-class TestPaymentTermsStatusForSalesOrder(ERPNextTestCase):
+class TestPaymentTermsStatusForSalesOrder(FrappeTestCase):
 	def create_payment_terms_template(self):
 		# create template for 50-50 payments
 		template = None
diff --git a/erpnext/selling/report/pending_so_items_for_purchase_request/test_pending_so_items_for_purchase_request.py b/erpnext/selling/report/pending_so_items_for_purchase_request/test_pending_so_items_for_purchase_request.py
index d62915fc66d..16162acc8f3 100644
--- a/erpnext/selling/report/pending_so_items_for_purchase_request/test_pending_so_items_for_purchase_request.py
+++ b/erpnext/selling/report/pending_so_items_for_purchase_request/test_pending_so_items_for_purchase_request.py
@@ -2,6 +2,7 @@
 # For license information, please see license.txt
 
 
+from frappe.tests.utils import FrappeTestCase
 from frappe.utils import add_months, nowdate
 
 from erpnext.selling.doctype.sales_order.sales_order import make_material_request
@@ -9,10 +10,9 @@ from erpnext.selling.doctype.sales_order.test_sales_order import make_sales_orde
 from erpnext.selling.report.pending_so_items_for_purchase_request.pending_so_items_for_purchase_request import (
 	execute,
 )
-from erpnext.tests.utils import ERPNextTestCase
 
 
-class TestPendingSOItemsForPurchaseRequest(ERPNextTestCase):
+class TestPendingSOItemsForPurchaseRequest(FrappeTestCase):
     def test_result_for_partial_material_request(self):
         so = make_sales_order()
         mr=make_material_request(so.name)
diff --git a/erpnext/selling/report/sales_analytics/test_analytics.py b/erpnext/selling/report/sales_analytics/test_analytics.py
index f56cce2dfdc..564f48fef3b 100644
--- a/erpnext/selling/report/sales_analytics/test_analytics.py
+++ b/erpnext/selling/report/sales_analytics/test_analytics.py
@@ -3,13 +3,13 @@
 
 
 import frappe
+from frappe.tests.utils import FrappeTestCase
 
 from erpnext.selling.doctype.sales_order.test_sales_order import make_sales_order
 from erpnext.selling.report.sales_analytics.sales_analytics import execute
-from erpnext.tests.utils import ERPNextTestCase
 
 
-class TestAnalytics(ERPNextTestCase):
+class TestAnalytics(FrappeTestCase):
 	def test_sales_analytics(self):
 		frappe.db.sql("delete from `tabSales Order` where company='_Test Company 2'")
 
diff --git a/erpnext/stock/doctype/batch/test_batch.py b/erpnext/stock/doctype/batch/test_batch.py
index 613dd3f14d7..57637538531 100644
--- a/erpnext/stock/doctype/batch/test_batch.py
+++ b/erpnext/stock/doctype/batch/test_batch.py
@@ -5,6 +5,7 @@ import json
 
 import frappe
 from frappe.exceptions import ValidationError
+from frappe.tests.utils import FrappeTestCase
 from frappe.utils import cint, flt
 from frappe.utils.data import add_to_date, getdate
 
@@ -16,10 +17,9 @@ from erpnext.stock.doctype.stock_reconciliation.test_stock_reconciliation import
 )
 from erpnext.stock.get_item_details import get_item_details
 from erpnext.stock.stock_ledger import get_valuation_rate
-from erpnext.tests.utils import ERPNextTestCase
 
 
-class TestBatch(ERPNextTestCase):
+class TestBatch(FrappeTestCase):
 	def test_item_has_batch_enabled(self):
 		self.assertRaises(ValidationError, frappe.get_doc({
 			"doctype": "Batch",
diff --git a/erpnext/stock/doctype/bin/test_bin.py b/erpnext/stock/doctype/bin/test_bin.py
index 250126c6b98..ec0d8a88e3f 100644
--- a/erpnext/stock/doctype/bin/test_bin.py
+++ b/erpnext/stock/doctype/bin/test_bin.py
@@ -2,13 +2,13 @@
 # See license.txt
 
 import frappe
+from frappe.tests.utils import FrappeTestCase
 
 from erpnext.stock.doctype.item.test_item import make_item
 from erpnext.stock.utils import _create_bin
-from erpnext.tests.utils import ERPNextTestCase
 
 
-class TestBin(ERPNextTestCase):
+class TestBin(FrappeTestCase):
 
 
 	def test_concurrent_inserts(self):
diff --git a/erpnext/stock/doctype/delivery_note/test_delivery_note.py b/erpnext/stock/doctype/delivery_note/test_delivery_note.py
index bd18e788ba6..16c892128a6 100644
--- a/erpnext/stock/doctype/delivery_note/test_delivery_note.py
+++ b/erpnext/stock/doctype/delivery_note/test_delivery_note.py
@@ -6,6 +6,7 @@
 import json
 
 import frappe
+from frappe.tests.utils import FrappeTestCase
 from frappe.utils import cstr, flt, nowdate, nowtime
 
 from erpnext.accounts.doctype.account.test_account import get_inventory_account
@@ -35,10 +36,9 @@ from erpnext.stock.doctype.stock_reconciliation.test_stock_reconciliation import
 )
 from erpnext.stock.doctype.warehouse.test_warehouse import get_warehouse
 from erpnext.stock.stock_ledger import get_previous_sle
-from erpnext.tests.utils import ERPNextTestCase
 
 
-class TestDeliveryNote(ERPNextTestCase):
+class TestDeliveryNote(FrappeTestCase):
 	def test_over_billing_against_dn(self):
 		frappe.db.set_value("Stock Settings", None, "allow_negative_stock", 1)
 
diff --git a/erpnext/stock/doctype/delivery_trip/test_delivery_trip.py b/erpnext/stock/doctype/delivery_trip/test_delivery_trip.py
index 321f48b2c59..dcdff4a0f1e 100644
--- a/erpnext/stock/doctype/delivery_trip/test_delivery_trip.py
+++ b/erpnext/stock/doctype/delivery_trip/test_delivery_trip.py
@@ -4,6 +4,7 @@
 import unittest
 
 import frappe
+from frappe.tests.utils import FrappeTestCase
 from frappe.utils import add_days, flt, now_datetime, nowdate
 
 import erpnext
@@ -12,10 +13,10 @@ from erpnext.stock.doctype.delivery_trip.delivery_trip import (
 	make_expense_claim,
 	notify_customers,
 )
-from erpnext.tests.utils import ERPNextTestCase, create_test_contact_and_address
+from erpnext.tests.utils import create_test_contact_and_address
 
 
-class TestDeliveryTrip(ERPNextTestCase):
+class TestDeliveryTrip(FrappeTestCase):
 	def setUp(self):
 		super().setUp()
 		driver = create_driver()
diff --git a/erpnext/stock/doctype/item/test_item.py b/erpnext/stock/doctype/item/test_item.py
index 9491e172593..d7671b1d714 100644
--- a/erpnext/stock/doctype/item/test_item.py
+++ b/erpnext/stock/doctype/item/test_item.py
@@ -6,6 +6,7 @@ import json
 
 import frappe
 from frappe.test_runner import make_test_objects
+from frappe.tests.utils import FrappeTestCase, change_settings
 from frappe.utils import add_days, today
 
 from erpnext.controllers.item_variant import (
@@ -25,7 +26,6 @@ from erpnext.stock.doctype.item.item import (
 )
 from erpnext.stock.doctype.stock_entry.stock_entry_utils import make_stock_entry
 from erpnext.stock.get_item_details import get_item_details
-from erpnext.tests.utils import ERPNextTestCase, change_settings
 
 test_ignore = ["BOM"]
 test_dependencies = ["Warehouse", "Item Group", "Item Tax Template", "Brand", "Item Attribute"]
@@ -53,7 +53,7 @@ def make_item(item_code, properties=None):
 
 	return item
 
-class TestItem(ERPNextTestCase):
+class TestItem(FrappeTestCase):
 	def setUp(self):
 		super().setUp()
 		frappe.flags.attribute_values = None
diff --git a/erpnext/stock/doctype/item_alternative/test_item_alternative.py b/erpnext/stock/doctype/item_alternative/test_item_alternative.py
index 3976af4e88c..501c1c1ad3c 100644
--- a/erpnext/stock/doctype/item_alternative/test_item_alternative.py
+++ b/erpnext/stock/doctype/item_alternative/test_item_alternative.py
@@ -4,6 +4,7 @@
 import json
 
 import frappe
+from frappe.tests.utils import FrappeTestCase
 from frappe.utils import flt
 
 from erpnext.buying.doctype.purchase_order.purchase_order import (
@@ -18,10 +19,9 @@ from erpnext.stock.doctype.item.test_item import create_item
 from erpnext.stock.doctype.stock_reconciliation.test_stock_reconciliation import (
 	create_stock_reconciliation,
 )
-from erpnext.tests.utils import ERPNextTestCase
 
 
-class TestItemAlternative(ERPNextTestCase):
+class TestItemAlternative(FrappeTestCase):
 	def setUp(self):
 		super().setUp()
 		make_items()
diff --git a/erpnext/stock/doctype/item_attribute/test_item_attribute.py b/erpnext/stock/doctype/item_attribute/test_item_attribute.py
index 0b7ca257151..055c22e0c5d 100644
--- a/erpnext/stock/doctype/item_attribute/test_item_attribute.py
+++ b/erpnext/stock/doctype/item_attribute/test_item_attribute.py
@@ -6,11 +6,12 @@ import frappe
 
 test_records = frappe.get_test_records('Item Attribute')
 
+from frappe.tests.utils import FrappeTestCase
+
 from erpnext.stock.doctype.item_attribute.item_attribute import ItemAttributeIncrementError
-from erpnext.tests.utils import ERPNextTestCase
 
 
-class TestItemAttribute(ERPNextTestCase):
+class TestItemAttribute(FrappeTestCase):
 	def setUp(self):
 		super().setUp()
 		if frappe.db.exists("Item Attribute", "_Test_Length"):
diff --git a/erpnext/stock/doctype/item_price/test_item_price.py b/erpnext/stock/doctype/item_price/test_item_price.py
index f81770e487d..6ceba3f8d3f 100644
--- a/erpnext/stock/doctype/item_price/test_item_price.py
+++ b/erpnext/stock/doctype/item_price/test_item_price.py
@@ -4,13 +4,13 @@
 
 import frappe
 from frappe.test_runner import make_test_records_for_doctype
+from frappe.tests.utils import FrappeTestCase
 
 from erpnext.stock.doctype.item_price.item_price import ItemPriceDuplicateItem
 from erpnext.stock.get_item_details import get_price_list_rate_for, process_args
-from erpnext.tests.utils import ERPNextTestCase
 
 
-class TestItemPrice(ERPNextTestCase):
+class TestItemPrice(FrappeTestCase):
 	def setUp(self):
 		super().setUp()
 		frappe.db.sql("delete from `tabItem Price`")
diff --git a/erpnext/stock/doctype/landed_cost_voucher/test_landed_cost_voucher.py b/erpnext/stock/doctype/landed_cost_voucher/test_landed_cost_voucher.py
index df8cadd7f86..dbaefc1e113 100644
--- a/erpnext/stock/doctype/landed_cost_voucher/test_landed_cost_voucher.py
+++ b/erpnext/stock/doctype/landed_cost_voucher/test_landed_cost_voucher.py
@@ -4,6 +4,7 @@
 
 
 import frappe
+from frappe.tests.utils import FrappeTestCase
 from frappe.utils import add_to_date, flt, now
 
 from erpnext.accounts.doctype.account.test_account import create_account, get_inventory_account
@@ -14,10 +15,9 @@ from erpnext.stock.doctype.purchase_receipt.test_purchase_receipt import (
 	get_gl_entries,
 	make_purchase_receipt,
 )
-from erpnext.tests.utils import ERPNextTestCase
 
 
-class TestLandedCostVoucher(ERPNextTestCase):
+class TestLandedCostVoucher(FrappeTestCase):
 	def test_landed_cost_voucher(self):
 		frappe.db.set_value("Buying Settings", None, "allow_multiple_items", 1)
 
diff --git a/erpnext/stock/doctype/material_request/test_material_request.py b/erpnext/stock/doctype/material_request/test_material_request.py
index 383b0ae806e..1cda7816170 100644
--- a/erpnext/stock/doctype/material_request/test_material_request.py
+++ b/erpnext/stock/doctype/material_request/test_material_request.py
@@ -6,6 +6,7 @@
 
 
 import frappe
+from frappe.tests.utils import FrappeTestCase
 from frappe.utils import flt, today
 
 from erpnext.stock.doctype.item.test_item import create_item
@@ -15,10 +16,9 @@ from erpnext.stock.doctype.material_request.material_request import (
 	make_supplier_quotation,
 	raise_work_orders,
 )
-from erpnext.tests.utils import ERPNextTestCase
 
 
-class TestMaterialRequest(ERPNextTestCase):
+class TestMaterialRequest(FrappeTestCase):
 	def test_make_purchase_order(self):
 		mr = frappe.copy_doc(test_records[0]).insert()
 
diff --git a/erpnext/stock/doctype/packed_item/test_packed_item.py b/erpnext/stock/doctype/packed_item/test_packed_item.py
index 2521ac9fe72..94268a8ef37 100644
--- a/erpnext/stock/doctype/packed_item/test_packed_item.py
+++ b/erpnext/stock/doctype/packed_item/test_packed_item.py
@@ -1,6 +1,7 @@
 # Copyright (c) 2022, Frappe Technologies Pvt. Ltd. and Contributors
 # License: GNU General Public License v3. See license.txt
 
+from frappe.tests.utils import FrappeTestCase, change_settings
 from frappe.utils import add_to_date, nowdate
 
 from erpnext.selling.doctype.product_bundle.test_product_bundle import make_product_bundle
@@ -9,10 +10,9 @@ from erpnext.selling.doctype.sales_order.test_sales_order import make_sales_orde
 from erpnext.stock.doctype.item.test_item import make_item
 from erpnext.stock.doctype.purchase_receipt.test_purchase_receipt import get_gl_entries
 from erpnext.stock.doctype.stock_entry.stock_entry_utils import make_stock_entry
-from erpnext.tests.utils import ERPNextTestCase, change_settings
 
 
-class TestPackedItem(ERPNextTestCase):
+class TestPackedItem(FrappeTestCase):
 	"Test impact on Packed Items table in various scenarios."
 	@classmethod
 	def setUpClass(cls) -> None:
diff --git a/erpnext/stock/doctype/packing_slip/test_packing_slip.py b/erpnext/stock/doctype/packing_slip/test_packing_slip.py
index 5eb6b7399ae..bc405b20995 100644
--- a/erpnext/stock/doctype/packing_slip/test_packing_slip.py
+++ b/erpnext/stock/doctype/packing_slip/test_packing_slip.py
@@ -4,7 +4,7 @@
 import unittest
 
 # test_records = frappe.get_test_records('Packing Slip')
-from erpnext.tests.utils import ERPNextTestCase
+from frappe.tests.utils import FrappeTestCase
 
 
 class TestPackingSlip(unittest.TestCase):
diff --git a/erpnext/stock/doctype/pick_list/test_pick_list.py b/erpnext/stock/doctype/pick_list/test_pick_list.py
index 41e3150f0d7..f3b6b89784a 100644
--- a/erpnext/stock/doctype/pick_list/test_pick_list.py
+++ b/erpnext/stock/doctype/pick_list/test_pick_list.py
@@ -6,16 +6,17 @@ from frappe import _dict
 
 test_dependencies = ['Item', 'Sales Invoice', 'Stock Entry', 'Batch']
 
+from frappe.tests.utils import FrappeTestCase
+
 from erpnext.stock.doctype.item.test_item import create_item
 from erpnext.stock.doctype.pick_list.pick_list import create_delivery_note
 from erpnext.stock.doctype.purchase_receipt.test_purchase_receipt import make_purchase_receipt
 from erpnext.stock.doctype.stock_reconciliation.stock_reconciliation import (
 	EmptyStockReconciliationItemsError,
 )
-from erpnext.tests.utils import ERPNextTestCase
 
 
-class TestPickList(ERPNextTestCase):
+class TestPickList(FrappeTestCase):
 
 	def test_pick_list_picks_warehouse_for_each_item(self):
 		try:
diff --git a/erpnext/stock/doctype/purchase_receipt/test_purchase_receipt.py b/erpnext/stock/doctype/purchase_receipt/test_purchase_receipt.py
index d481689c130..a24acb1bd83 100644
--- a/erpnext/stock/doctype/purchase_receipt/test_purchase_receipt.py
+++ b/erpnext/stock/doctype/purchase_receipt/test_purchase_receipt.py
@@ -7,6 +7,7 @@ import unittest
 from collections import defaultdict
 
 import frappe
+from frappe.tests.utils import FrappeTestCase, change_settings
 from frappe.utils import add_days, cint, cstr, flt, today
 
 import erpnext
@@ -17,10 +18,9 @@ from erpnext.stock.doctype.purchase_receipt.purchase_receipt import make_purchas
 from erpnext.stock.doctype.serial_no.serial_no import SerialNoDuplicateError, get_serial_nos
 from erpnext.stock.doctype.warehouse.test_warehouse import create_warehouse
 from erpnext.stock.stock_ledger import SerialNoExistsInFutureTransaction
-from erpnext.tests.utils import ERPNextTestCase, change_settings
 
 
-class TestPurchaseReceipt(ERPNextTestCase):
+class TestPurchaseReceipt(FrappeTestCase):
 	def setUp(self):
 		frappe.db.set_value("Buying Settings", None, "allow_multiple_items", 1)
 
diff --git a/erpnext/stock/doctype/putaway_rule/test_putaway_rule.py b/erpnext/stock/doctype/putaway_rule/test_putaway_rule.py
index ff1c19a8275..4e8d71fe5e4 100644
--- a/erpnext/stock/doctype/putaway_rule/test_putaway_rule.py
+++ b/erpnext/stock/doctype/putaway_rule/test_putaway_rule.py
@@ -2,6 +2,7 @@
 # See license.txt
 
 import frappe
+from frappe.tests.utils import FrappeTestCase
 
 from erpnext.stock.doctype.batch.test_batch import make_new_batch
 from erpnext.stock.doctype.item.test_item import make_item
@@ -9,10 +10,9 @@ from erpnext.stock.doctype.purchase_receipt.test_purchase_receipt import make_pu
 from erpnext.stock.doctype.stock_entry.test_stock_entry import make_stock_entry
 from erpnext.stock.doctype.warehouse.test_warehouse import create_warehouse
 from erpnext.stock.get_item_details import get_conversion_factor
-from erpnext.tests.utils import ERPNextTestCase
 
 
-class TestPutawayRule(ERPNextTestCase):
+class TestPutawayRule(FrappeTestCase):
 	def setUp(self):
 		if not frappe.db.exists("Item", "_Rice"):
 			make_item("_Rice", {
diff --git a/erpnext/stock/doctype/quality_inspection/test_quality_inspection.py b/erpnext/stock/doctype/quality_inspection/test_quality_inspection.py
index 308c62875d5..601ca054b53 100644
--- a/erpnext/stock/doctype/quality_inspection/test_quality_inspection.py
+++ b/erpnext/stock/doctype/quality_inspection/test_quality_inspection.py
@@ -2,6 +2,7 @@
 # See license.txt
 
 import frappe
+from frappe.tests.utils import FrappeTestCase
 from frappe.utils import nowdate
 
 from erpnext.controllers.stock_controller import (
@@ -13,12 +14,11 @@ from erpnext.controllers.stock_controller import (
 from erpnext.stock.doctype.delivery_note.test_delivery_note import create_delivery_note
 from erpnext.stock.doctype.item.test_item import create_item
 from erpnext.stock.doctype.stock_entry.stock_entry_utils import make_stock_entry
-from erpnext.tests.utils import ERPNextTestCase
 
 # test_records = frappe.get_test_records('Quality Inspection')
 
 
-class TestQualityInspection(ERPNextTestCase):
+class TestQualityInspection(FrappeTestCase):
 	def setUp(self):
 		super().setUp()
 		create_item("_Test Item with QA")
diff --git a/erpnext/stock/doctype/serial_no/test_serial_no.py b/erpnext/stock/doctype/serial_no/test_serial_no.py
index f8cea717251..057a7d4c01f 100644
--- a/erpnext/stock/doctype/serial_no/test_serial_no.py
+++ b/erpnext/stock/doctype/serial_no/test_serial_no.py
@@ -18,11 +18,12 @@ from erpnext.stock.doctype.warehouse.test_warehouse import create_warehouse
 test_dependencies = ["Item"]
 test_records = frappe.get_test_records('Serial No')
 
+from frappe.tests.utils import FrappeTestCase
+
 from erpnext.stock.doctype.serial_no.serial_no import *
-from erpnext.tests.utils import ERPNextTestCase
 
 
-class TestSerialNo(ERPNextTestCase):
+class TestSerialNo(FrappeTestCase):
 
 	def tearDown(self):
 		frappe.db.rollback()
diff --git a/erpnext/stock/doctype/shipment/test_shipment.py b/erpnext/stock/doctype/shipment/test_shipment.py
index afe821845ae..317abb6d03e 100644
--- a/erpnext/stock/doctype/shipment/test_shipment.py
+++ b/erpnext/stock/doctype/shipment/test_shipment.py
@@ -4,12 +4,12 @@
 from datetime import date, timedelta
 
 import frappe
+from frappe.tests.utils import FrappeTestCase
 
 from erpnext.stock.doctype.delivery_note.delivery_note import make_shipment
-from erpnext.tests.utils import ERPNextTestCase
 
 
-class TestShipment(ERPNextTestCase):
+class TestShipment(FrappeTestCase):
 	def test_shipment_from_delivery_note(self):
 		delivery_note = create_test_delivery_note()
 		delivery_note.submit()
diff --git a/erpnext/stock/doctype/stock_entry/test_stock_entry.py b/erpnext/stock/doctype/stock_entry/test_stock_entry.py
index c5afa491666..54c0e43c5ed 100644
--- a/erpnext/stock/doctype/stock_entry/test_stock_entry.py
+++ b/erpnext/stock/doctype/stock_entry/test_stock_entry.py
@@ -6,6 +6,7 @@ import unittest
 
 import frappe
 from frappe.permissions import add_user_permission, remove_user_permission
+from frappe.tests.utils import FrappeTestCase, change_settings
 from frappe.utils import flt, nowdate, nowtime
 
 from erpnext.accounts.doctype.account.test_account import get_inventory_account
@@ -28,7 +29,6 @@ from erpnext.stock.doctype.stock_reconciliation.test_stock_reconciliation import
 	create_stock_reconciliation,
 )
 from erpnext.stock.stock_ledger import NegativeStockError, get_previous_sle
-from erpnext.tests.utils import ERPNextTestCase, change_settings
 
 
 def get_sle(**args):
@@ -42,7 +42,7 @@ def get_sle(**args):
 		order by timestamp(posting_date, posting_time) desc, creation desc limit 1"""% condition,
 		values, as_dict=1)
 
-class TestStockEntry(ERPNextTestCase):
+class TestStockEntry(FrappeTestCase):
 	def tearDown(self):
 		frappe.db.rollback()
 		frappe.set_user("Administrator")
diff --git a/erpnext/stock/doctype/stock_ledger_entry/test_stock_ledger_entry.py b/erpnext/stock/doctype/stock_ledger_entry/test_stock_ledger_entry.py
index 0864ece995f..01d25b2e864 100644
--- a/erpnext/stock/doctype/stock_ledger_entry/test_stock_ledger_entry.py
+++ b/erpnext/stock/doctype/stock_ledger_entry/test_stock_ledger_entry.py
@@ -7,6 +7,7 @@ from uuid import uuid4
 
 import frappe
 from frappe.core.page.permission_manager.permission_manager import reset
+from frappe.tests.utils import FrappeTestCase
 from frappe.utils import add_days, today
 
 from erpnext.stock.doctype.delivery_note.test_delivery_note import (
@@ -24,10 +25,9 @@ from erpnext.stock.doctype.stock_reconciliation.test_stock_reconciliation import
 	create_stock_reconciliation,
 )
 from erpnext.stock.stock_ledger import get_previous_sle
-from erpnext.tests.utils import ERPNextTestCase
 
 
-class TestStockLedgerEntry(ERPNextTestCase):
+class TestStockLedgerEntry(FrappeTestCase):
 	def setUp(self):
 		items = create_items()
 		reset('Stock Entry')
diff --git a/erpnext/stock/doctype/stock_reconciliation/test_stock_reconciliation.py b/erpnext/stock/doctype/stock_reconciliation/test_stock_reconciliation.py
index 2ffe127d9a5..e6b252e8562 100644
--- a/erpnext/stock/doctype/stock_reconciliation/test_stock_reconciliation.py
+++ b/erpnext/stock/doctype/stock_reconciliation/test_stock_reconciliation.py
@@ -6,6 +6,7 @@
 
 
 import frappe
+from frappe.tests.utils import FrappeTestCase, change_settings
 from frappe.utils import add_days, cstr, flt, nowdate, nowtime, random_string
 
 from erpnext.accounts.utils import get_stock_and_account_balance
@@ -19,10 +20,9 @@ from erpnext.stock.doctype.stock_reconciliation.stock_reconciliation import (
 from erpnext.stock.doctype.warehouse.test_warehouse import create_warehouse
 from erpnext.stock.stock_ledger import get_previous_sle, update_entries_after
 from erpnext.stock.utils import get_incoming_rate, get_stock_value_on, get_valuation_method
-from erpnext.tests.utils import ERPNextTestCase, change_settings
 
 
-class TestStockReconciliation(ERPNextTestCase):
+class TestStockReconciliation(FrappeTestCase):
 	@classmethod
 	def setUpClass(cls):
 		create_batch_or_serial_no_items()
diff --git a/erpnext/stock/doctype/stock_settings/test_stock_settings.py b/erpnext/stock/doctype/stock_settings/test_stock_settings.py
index 072b54b8205..13496718ead 100644
--- a/erpnext/stock/doctype/stock_settings/test_stock_settings.py
+++ b/erpnext/stock/doctype/stock_settings/test_stock_settings.py
@@ -4,11 +4,10 @@
 import unittest
 
 import frappe
-
-from erpnext.tests.utils import ERPNextTestCase
+from frappe.tests.utils import FrappeTestCase
 
 
-class TestStockSettings(ERPNextTestCase):
+class TestStockSettings(FrappeTestCase):
 	def setUp(self):
 		super().setUp()
 		frappe.db.set_value("Stock Settings", None, "clean_description_html", 0)
diff --git a/erpnext/stock/doctype/warehouse/test_warehouse.py b/erpnext/stock/doctype/warehouse/test_warehouse.py
index 26db2642e4b..cdb771935b0 100644
--- a/erpnext/stock/doctype/warehouse/test_warehouse.py
+++ b/erpnext/stock/doctype/warehouse/test_warehouse.py
@@ -3,17 +3,17 @@
 
 import frappe
 from frappe.test_runner import make_test_records
+from frappe.tests.utils import FrappeTestCase
 from frappe.utils import cint
 
 import erpnext
 from erpnext.accounts.doctype.account.test_account import create_account, get_inventory_account
 from erpnext.stock.doctype.item.test_item import create_item
 from erpnext.stock.doctype.stock_entry.stock_entry_utils import make_stock_entry
-from erpnext.tests.utils import ERPNextTestCase
 
 test_records = frappe.get_test_records('Warehouse')
 
-class TestWarehouse(ERPNextTestCase):
+class TestWarehouse(FrappeTestCase):
 	def setUp(self):
 		super().setUp()
 		if not frappe.get_value('Item', '_Test Item'):
diff --git a/erpnext/stock/report/stock_ageing/test_stock_ageing.py b/erpnext/stock/report/stock_ageing/test_stock_ageing.py
index 3fc357e8d4f..2630805c626 100644
--- a/erpnext/stock/report/stock_ageing/test_stock_ageing.py
+++ b/erpnext/stock/report/stock_ageing/test_stock_ageing.py
@@ -2,12 +2,12 @@
 # See license.txt
 
 import frappe
+from frappe.tests.utils import FrappeTestCase
 
 from erpnext.stock.report.stock_ageing.stock_ageing import FIFOSlots, format_report_data
-from erpnext.tests.utils import ERPNextTestCase
 
 
-class TestStockAgeing(ERPNextTestCase):
+class TestStockAgeing(FrappeTestCase):
 	def setUp(self) -> None:
 		self.filters = frappe._dict(
 			company="_Test Company",
@@ -610,4 +610,4 @@ def generate_item_and_item_wh_wise_slots(filters, sle):
 	item_wh_wise_slots = FIFOSlots(filters, sle).generate()
 	filters.show_warehouse_wise_stock = False
 
-	return item_wise_slots, item_wh_wise_slots
\ No newline at end of file
+	return item_wise_slots, item_wh_wise_slots
diff --git a/erpnext/stock/report/stock_analytics/test_stock_analytics.py b/erpnext/stock/report/stock_analytics/test_stock_analytics.py
index 32df5859375..f6c98f914d2 100644
--- a/erpnext/stock/report/stock_analytics/test_stock_analytics.py
+++ b/erpnext/stock/report/stock_analytics/test_stock_analytics.py
@@ -1,14 +1,13 @@
 import datetime
-import unittest
 
 from frappe import _dict
+from frappe.tests.utils import FrappeTestCase
 
 from erpnext.accounts.utils import get_fiscal_year
 from erpnext.stock.report.stock_analytics.stock_analytics import get_period_date_ranges
-from erpnext.tests.utils import ERPNextTestCase
 
 
-class TestStockAnalyticsReport(ERPNextTestCase):
+class TestStockAnalyticsReport(FrappeTestCase):
 	def test_get_period_date_ranges(self):
 
 		filters = _dict(range="Monthly", from_date="2020-12-28", to_date="2021-02-06")
diff --git a/erpnext/stock/tests/test_valuation.py b/erpnext/stock/tests/test_valuation.py
index bdb768f1ade..b64ff8e28c8 100644
--- a/erpnext/stock/tests/test_valuation.py
+++ b/erpnext/stock/tests/test_valuation.py
@@ -2,13 +2,13 @@ import json
 import unittest
 
 import frappe
+from frappe.tests.utils import FrappeTestCase
 from hypothesis import given
 from hypothesis import strategies as st
 
 from erpnext.stock.doctype.item.test_item import make_item
 from erpnext.stock.doctype.stock_entry.stock_entry_utils import make_stock_entry
 from erpnext.stock.valuation import FIFOValuation, LIFOValuation, round_off_if_near_zero
-from erpnext.tests.utils import ERPNextTestCase
 
 qty_gen = st.floats(min_value=-1e6, max_value=1e6)
 value_gen = st.floats(min_value=1, max_value=1e6)
@@ -290,7 +290,7 @@ class TestLIFOValuation(unittest.TestCase):
 			self.assertTotalQty(total_qty)
 			self.assertTotalValue(total_value)
 
-class TestLIFOValuationSLE(ERPNextTestCase):
+class TestLIFOValuationSLE(FrappeTestCase):
 	ITEM_CODE = "_Test LIFO item"
 	WAREHOUSE = "_Test Warehouse - _TC"
 
diff --git a/erpnext/tests/utils.py b/erpnext/tests/utils.py
index 40c95eb7a3a..d795253665d 100644
--- a/erpnext/tests/utils.py
+++ b/erpnext/tests/utils.py
@@ -1,10 +1,6 @@
 # Copyright (c) 2021, Frappe Technologies Pvt. Ltd. and Contributors
 # License: GNU General Public License v3. See license.txt
 
-import copy
-import signal
-import unittest
-from contextlib import contextmanager
 from typing import Any, Dict, NewType, Optional
 
 import frappe
@@ -13,22 +9,6 @@ from frappe.core.doctype.report.report import get_report_module_dotted_path
 ReportFilters = Dict[str, Any]
 ReportName = NewType("ReportName", str)
 
-
-class ERPNextTestCase(unittest.TestCase):
-	"""A sane default test class for ERPNext tests."""
-
-
-	@classmethod
-	def setUpClass(cls) -> None:
-		frappe.db.commit()
-		return super().setUpClass()
-
-	@classmethod
-	def tearDownClass(cls) -> None:
-		frappe.db.rollback()
-		return super().tearDownClass()
-
-
 def create_test_contact_and_address():
 	frappe.db.sql('delete from tabContact')
 	frappe.db.sql('delete from `tabContact Email`')
@@ -81,43 +61,6 @@ def create_test_contact_and_address():
 	contact_two.insert()
 
 
-@contextmanager
-def change_settings(doctype, settings_dict):
-	""" A context manager to ensure that settings are changed before running
-	function and restored after running it regardless of exceptions occured.
-	This is useful in tests where you want to make changes in a function but
-	don't retain those changes.
-	import and use as decorator to cover full function or using `with` statement.
-
-	example:
-	@change_settings("Stock Settings", {"item_naming_by": "Naming Series"})
-	def test_case(self):
-		...
-	"""
-
-	try:
-		settings = frappe.get_doc(doctype)
-		# remember setting
-		previous_settings = copy.deepcopy(settings_dict)
-		for key in previous_settings:
-			previous_settings[key] = getattr(settings, key)
-
-		# change setting
-		for key, value in settings_dict.items():
-			setattr(settings, key, value)
-		settings.save()
-		# singles are cached by default, clear to avoid flake
-		frappe.db.value_cache[settings] = {}
-		yield # yield control to calling function
-
-	finally:
-		# restore settings
-		settings = frappe.get_doc(doctype)
-		for key, value in previous_settings.items():
-			setattr(settings, key, value)
-		settings.save()
-
-
 def execute_script_report(
 		report_name: ReportName,
 		module: str,
@@ -157,24 +100,3 @@ def execute_script_report(
 		except Exception:
 			print(f"Report failed to execute with filters: {test_filter}")
 			raise
-
-
-
-def timeout(seconds=30, error_message="Test timed out."):
-	""" Timeout decorator to ensure a test doesn't run for too long.
-
-		adapted from https://stackoverflow.com/a/2282656"""
-	def decorator(func):
-		def _handle_timeout(signum, frame):
-			raise Exception(error_message)
-
-		def wrapper(*args, **kwargs):
-			signal.signal(signal.SIGALRM, _handle_timeout)
-			signal.alarm(seconds)
-			try:
-				result = func(*args, **kwargs)
-			finally:
-				signal.alarm(0)
-			return result
-		return wrapper
-	return decorator