diff --git a/erpnext/stock/doctype/delivery_trip/test_delivery_trip.py b/erpnext/stock/doctype/delivery_trip/test_delivery_trip.py
index 8e467f84fba..68bcfe45629 100644
--- a/erpnext/stock/doctype/delivery_trip/test_delivery_trip.py
+++ b/erpnext/stock/doctype/delivery_trip/test_delivery_trip.py
@@ -22,16 +22,29 @@ class TestDeliveryTrip(ERPNextTestSuite):
 		create_test_contact_and_address()
 		address = create_address(driver)
 
-		self.delivery_trip = create_delivery_trip(driver, address)
+		self.delivery_trip = create_delivery_trip(driver, address, company=self.companies[0].name)
 
 	def tearDown(self):
-		frappe.db.sql("delete from `tabDriver`")
-		frappe.db.sql("delete from `tabVehicle`")
-		frappe.db.sql("delete from `tabEmail Template`")
-		frappe.db.sql("delete from `tabDelivery Trip`")
-		return super().tearDown()
+		frappe.db.rollback()
 
 	def test_delivery_trip_notify_customers(self):
+		# set default outgoing
+		outgoing = frappe.get_doc(
+			{
+				"doctype": "Email Account",
+				"company": self.companies[0].name,
+				"enable_outgoing": 1,
+				"default_outgoing": 1,
+				"awaiting_password": 1,
+				"auth_method": "Basic",
+				"password": "test",
+				"smtp_server": "localhost",
+				"stmp_port": 25,
+				"email_id": "test@example.in",
+			}
+		)
+		outgoing.save()
+
 		notify_customers(delivery_trip=self.delivery_trip.name)
 		self.delivery_trip.load_from_db()
 		self.assertEqual(self.delivery_trip.email_notification_sent, 1)
@@ -175,14 +188,14 @@ def create_vehicle():
 		vehicle.insert()
 
 
-def create_delivery_trip(driver, address, contact=None):
+def create_delivery_trip(driver, address, contact=None, company=None):
 	if not contact:
 		contact = get_contact_and_address("_Test Customer")
 
 	delivery_trip = frappe.get_doc(
 		{
 			"doctype": "Delivery Trip",
-			"company": erpnext.get_default_company(),
+			"company": company or erpnext.get_default_company(),
 			"departure_time": add_days(now_datetime(), 5),
 			"driver": driver.name,
 			"driver_address": address.name,