fix: duplicate acc dimension in test

(cherry picked from commit b3f6d99)

erpnext/accounts/doctype/purchase_invoice/test_purchase_invoice.py

@@ -1733,25 +1733,18 @@ def test_payment_allocation_for_payment_terms(self):
 =======
 	def test_offsetting_entries_for_accounting_dimensions(self):
 		from erpnext.accounts.doctype.account.test_account import create_account
+		from erpnext.accounts.report.trial_balance.test_trial_balance import (
+			clear_dimension_defaults,
+			create_accounting_dimension,
+		)
 
 		create_account(
 			account_name="Offsetting",
 			company="_Test Company",
 			parent_account="Temporary Accounts - _TC",
 		)
 
-		clear_dimension_defaults("Branch")
-		accounting_dimension = frappe.get_doc("Accounting Dimension", "Branch")
-		accounting_dimension.disabled = 0
-		accounting_dimension.append(
-			"dimension_defaults",
-			{
-				"company": "_Test Company",
-				"automatically_post_balancing_accounting_entry": 1,
-				"offsetting_account": "Offsetting - _TC",
-			},
-		)
-		accounting_dimension.save()
+		create_accounting_dimension()
 
 		branch1 = frappe.new_doc("Branch")
 		branch1.branch = "Location 1"
@@ -1792,12 +1785,6 @@ def test_offsetting_entries_for_accounting_dimensions(self):
 		clear_dimension_defaults("Branch")
 
 
-def clear_dimension_defaults(dimension_name):
-	accounting_dimension = frappe.get_doc("Accounting Dimension", dimension_name)
-	accounting_dimension.dimension_defaults = []
-	accounting_dimension.save()
-
-
 def set_advance_flag(company, flag, default_account):
 	frappe.db.set_value(
 		"Company",

erpnext/accounts/report/trial_balance/test_trial_balance.py

@@ -39,10 +39,10 @@ def test_offsetting_entries_for_accounting_dimensions(self):
 
 		branch1 = frappe.new_doc("Branch")
 		branch1.branch = "Location 1"
-		branch1.insert()
+		branch1.insert(ignore_if_duplicate=True)
 		branch2 = frappe.new_doc("Branch")
 		branch2.branch = "Location 2"
-		branch2.insert()
+		branch2.insert(ignore_if_duplicate=True)
 
 		si = create_sales_invoice(
 			company=self.company,
@@ -91,6 +91,8 @@ def create_accounting_dimension(**args):
 		accounting_dimension = frappe.get_doc("Accounting Dimension", document_type)
 		accounting_dimension.disabled = 0
 
+	clear_dimension_defaults(document_type)
+	accounting_dimension.load_from_db()
 	accounting_dimension.append(
 		"dimension_defaults",
 		{
@@ -109,3 +111,9 @@ def disable_dimension(**args):
 	dimension = frappe.get_doc("Accounting Dimension", document_type)
 	dimension.disabled = 1
 	dimension.save()
+
+
+def clear_dimension_defaults(dimension_name):
+	accounting_dimension = frappe.get_doc("Accounting Dimension", dimension_name)
+	accounting_dimension.dimension_defaults = []
+	accounting_dimension.save()