refactor: replace IntegrationTestCase with ERPNextTestCase repo-wide

- import ERPNextTestSuite
 - use it on test class

erpnext/controllers/tests/test_accounts_controller.py

@@ -5,7 +5,6 @@
 import frappe
 from frappe import qb
 from frappe.query_builder.functions import Sum
-from frappe.tests import IntegrationTestCase
 from frappe.utils import add_days, getdate, nowdate
 from frappe.utils.data import getdate as convert_to_date
 
@@ -20,6 +19,7 @@ from erpnext.buying.doctype.purchase_order.test_purchase_order import (
 )
 from erpnext.projects.doctype.project.test_project import make_project
 from erpnext.stock.doctype.item.test_item import create_item
+from erpnext.tests.utils import ERPNextTestSuite
 
 
 def make_customer(customer_name, currency=None):
@@ -51,7 +51,7 @@ def make_supplier(supplier_name, currency=None):
 		return supplier_name
 
 
-class TestAccountsController(IntegrationTestCase):
+class TestAccountsController(ERPNextTestSuite):
 	"""
 	Test Exchange Gain/Loss booking on various scenarios.
 	Test Cases are numbered for better organization
@@ -810,9 +810,7 @@ class TestAccountsController(IntegrationTestCase):
 		self.assertEqual(exc_je_for_si, [])
 		self.assertEqual(exc_je_for_pe, [])
 
-	@IntegrationTestCase.change_settings(
-		"Stock Settings", {"allow_internal_transfer_at_arms_length_price": 1}
-	)
+	@ERPNextTestSuite.change_settings("Stock Settings", {"allow_internal_transfer_at_arms_length_price": 1})
 	def test_16_internal_transfer_at_arms_length_price(self):
 		from erpnext.accounts.doctype.sales_invoice.sales_invoice import make_inter_company_purchase_invoice
 		from erpnext.stock.doctype.warehouse.test_warehouse import create_warehouse
@@ -873,7 +871,7 @@ class TestAccountsController(IntegrationTestCase):
 		self.assertEqual(pi.items[0].rate, arms_length_price)
 		self.assertEqual(pi.items[0].valuation_rate, 100)
 
-	@IntegrationTestCase.change_settings(
+	@ERPNextTestSuite.change_settings(
 		"Accounts Settings", {"exchange_gain_loss_posting_date": "Reconciliation Date"}
 	)
 	def test_17_gain_loss_posting_date_for_normal_payment(self):
@@ -936,10 +934,7 @@ class TestAccountsController(IntegrationTestCase):
 		self.assertEqual(exc_je_for_si, [])
 		self.assertEqual(exc_je_for_pe, [])
 
-	@IntegrationTestCase.change_settings(
-		"Accounts Settings",
-		{"add_taxes_from_item_tax_template": 0, "add_taxes_from_taxes_and_charges_template": 1},
-	)
+	@ERPNextTestSuite.change_settings("Accounts Settings", {"add_taxes_from_item_tax_template": 1})
 	def test_18_fetch_taxes_based_on_taxes_and_charges_template(self):
 		# Create a Sales Taxes and Charges Template
 		if not frappe.db.exists("Sales Taxes and Charges Template", "_Test Tax - _TC"):
@@ -968,7 +963,7 @@ class TestAccountsController(IntegrationTestCase):
 
 		self.assertEqual(sinv.total_taxes_and_charges, 4.5)
 
-	@IntegrationTestCase.change_settings(
+	@ERPNextTestSuite.change_settings(
 		"Accounts Settings",
 		{"add_taxes_from_item_tax_template": 1, "add_taxes_from_taxes_and_charges_template": 0},
 	)

erpnext/controllers/tests/test_distributed_discount.py

@@ -1,11 +1,10 @@
-from frappe.tests import IntegrationTestCase
-
 from erpnext.accounts.test.accounts_mixin import AccountsTestMixin
 from erpnext.controllers.taxes_and_totals import calculate_taxes_and_totals
 from erpnext.selling.doctype.sales_order.test_sales_order import make_sales_order
+from erpnext.tests.utils import ERPNextTestSuite
 
 
-class TestTaxesAndTotals(AccountsTestMixin, IntegrationTestCase):
+class TestTaxesAndTotals(AccountsTestMixin, ERPNextTestSuite):
 	def test_distributed_discount_amount(self):
 		so = make_sales_order(do_not_save=1)
 		so.apply_discount_on = "Net Total"

erpnext/controllers/tests/test_item_variant.py

@@ -1,16 +1,16 @@
 import json
 
 import frappe
-from frappe.tests import IntegrationTestCase
 
 from erpnext.controllers.item_variant import copy_attributes_to_variant, make_variant_item_code
 from erpnext.stock.doctype.item.test_item import set_item_variant_settings
 from erpnext.stock.doctype.quality_inspection.test_quality_inspection import (
 	create_quality_inspection_parameter,
 )
+from erpnext.tests.utils import ERPNextTestSuite
 
 
-class TestItemVariant(IntegrationTestCase):
+class TestItemVariant(ERPNextTestSuite):
 	def test_tables_in_template_copied_to_variant(self):
 		fields = [{"field_name": "quality_inspection_template"}]
 		set_item_variant_settings(fields)

erpnext/controllers/tests/test_mapper.py

@@ -3,11 +3,12 @@ import json
 import frappe
 import frappe.utils
 from frappe.model import mapper
-from frappe.tests import IntegrationTestCase
 from frappe.utils import add_months, nowdate
 
+from erpnext.tests.utils import ERPNextTestSuite
 
-class TestMapper(IntegrationTestCase):
+
+class TestMapper(ERPNextTestSuite):
 	def test_map_docs(self):
 		"""Test mapping of multiple source docs on a single target doc"""
 

erpnext/controllers/tests/test_qty_based_taxes.py

@@ -1,14 +1,15 @@
 from uuid import uuid4 as _uuid4
 
 import frappe
-from frappe.tests import IntegrationTestCase
+
+from erpnext.tests.utils import ERPNextTestSuite
 
 
 def uuid4():
 	return str(_uuid4())
 
 
-class TestTaxes(IntegrationTestCase):
+class TestTaxes(ERPNextTestSuite):
 	def setUp(self):
 		self.company = frappe.get_doc(
 			{

erpnext/controllers/tests/test_queries.py

@@ -115,7 +115,7 @@ class TestQueries(ERPNextTestSuite):
 			}
 		)
 
-		with self.set_user(user.name):
+		with ERPNextTestSuite.set_user(user.name):
 			params = {
 				"doctype": "Employee",
 				"txt": "",

erpnext/controllers/tests/test_reactivity.py

@@ -1,12 +1,12 @@
 import frappe
 from frappe import qb
-from frappe.tests import IntegrationTestCase
 from frappe.utils import today
 
 from erpnext.accounts.test.accounts_mixin import AccountsTestMixin
+from erpnext.tests.utils import ERPNextTestSuite
 
 
-class TestReactivity(AccountsTestMixin, IntegrationTestCase):
+class TestReactivity(AccountsTestMixin, ERPNextTestSuite):
 	def setUp(self):
 		self.create_company()
 		self.create_customer()

erpnext/controllers/tests/test_subcontracting_controller.py

@@ -5,7 +5,6 @@ import copy
 from collections import defaultdict
 
 import frappe
-from frappe.tests import IntegrationTestCase
 from frappe.utils import cint, flt
 
 from erpnext.buying.doctype.purchase_order.test_purchase_order import create_purchase_order
@@ -23,9 +22,10 @@ from erpnext.stock.doctype.stock_entry.test_stock_entry import make_stock_entry
 from erpnext.subcontracting.doctype.subcontracting_order.subcontracting_order import (
 	make_subcontracting_receipt,
 )
+from erpnext.tests.utils import ERPNextTestSuite
 
 
-class TestSubcontractingController(IntegrationTestCase):
+class TestSubcontractingController(ERPNextTestSuite):
 	def setUp(self):
 		make_subcontracted_items()
 		make_raw_materials()

erpnext/controllers/tests/test_taxes_and_totals.py

@@ -1,13 +1,13 @@
 from unittest.mock import patch
 
 import frappe
-from frappe.tests import IntegrationTestCase
 
 from erpnext.controllers.taxes_and_totals import calculate_taxes_and_totals
 from erpnext.selling.doctype.sales_order.test_sales_order import make_sales_order
+from erpnext.tests.utils import ERPNextTestSuite
 
 
-class TestTaxesAndTotals(IntegrationTestCase):
+class TestTaxesAndTotals(ERPNextTestSuite):
 	def test_regional_round_off_accounts(self):
 		"""
 		Regional overrides cannot extend the list in-place — the return

erpnext/controllers/tests/test_transaction_base.py

@@ -1,8 +1,9 @@
 import frappe
-from frappe.tests import IntegrationTestCase
+
+from erpnext.tests.utils import ERPNextTestSuite
 
 
-class TestUtils(IntegrationTestCase):
+class TestUtils(ERPNextTestSuite):
 	def test_reset_default_field_value(self):
 		doc = frappe.get_doc(
 			{