diff --git a/erpnext/support/doctype/service_level_agreement/test_service_level_agreement.py b/erpnext/support/doctype/service_level_agreement/test_service_level_agreement.py
index 4e00138906..472f6bc24e 100644
--- a/erpnext/support/doctype/service_level_agreement/test_service_level_agreement.py
+++ b/erpnext/support/doctype/service_level_agreement/test_service_level_agreement.py
@@ -15,8 +15,30 @@ from erpnext.support.doctype.service_level_agreement.service_level_agreement imp
 
 class TestServiceLevelAgreement(unittest.TestCase):
 	def setUp(self):
+		self.create_company()
 		frappe.db.set_value("Support Settings", None, "track_service_level_agreement", 1)
-		frappe.db.sql("delete from `tabLead`")
+		lead = frappe.qb.DocType("Lead")
+		frappe.qb.from_(lead).delete().where(lead.company == self.company).run()
+
+	def create_company(self):
+		name = "_Test Support SLA"
+		company = None
+		if frappe.db.exists("Company", name):
+			company = frappe.get_doc("Company", name)
+		else:
+			company = frappe.get_doc(
+				{
+					"doctype": "Company",
+					"company_name": name,
+					"country": "India",
+					"default_currency": "INR",
+					"create_chart_of_accounts_based_on": "Standard Template",
+					"chart_of_accounts": "Standard",
+				}
+			)
+			company = company.save()
+
+		self.company = company.name
 
 	def test_service_level_agreement(self):
 		# Default Service Level Agreement
@@ -205,7 +227,7 @@ class TestServiceLevelAgreement(unittest.TestCase):
 
 		# make lead with default SLA
 		creation = datetime.datetime(2019, 3, 4, 12, 0)
-		lead = make_lead(creation=creation, index=1)
+		lead = make_lead(creation=creation, index=1, company=self.company)
 
 		self.assertEqual(lead.service_level_agreement, lead_sla.name)
 		self.assertEqual(lead.response_by, datetime.datetime(2019, 3, 4, 16, 0))
@@ -233,7 +255,7 @@ class TestServiceLevelAgreement(unittest.TestCase):
 		)
 
 		creation = datetime.datetime(2020, 3, 4, 4, 0)
-		lead = make_lead(creation, index=2)
+		lead = make_lead(creation, index=2, company=self.company)
 
 		frappe.flags.current_time = datetime.datetime(2020, 3, 4, 4, 15)
 		lead.reload()
@@ -267,7 +289,7 @@ class TestServiceLevelAgreement(unittest.TestCase):
 		)
 
 		creation = datetime.datetime(2019, 3, 4, 12, 0)
-		lead = make_lead(creation=creation, index=1)
+		lead = make_lead(creation=creation, index=1, company=self.company)
 		self.assertEqual(lead.response_by, datetime.datetime(2019, 3, 4, 16, 0))
 
 		# failed with response time only
@@ -294,7 +316,7 @@ class TestServiceLevelAgreement(unittest.TestCase):
 
 		# fulfilled with response time only
 		creation = datetime.datetime(2019, 3, 4, 12, 0)
-		lead = make_lead(creation=creation, index=2)
+		lead = make_lead(creation=creation, index=2, company=self.company)
 
 		self.assertEqual(lead.service_level_agreement, lead_sla.name)
 		self.assertEqual(lead.response_by, datetime.datetime(2019, 3, 4, 16, 0))
@@ -321,7 +343,7 @@ class TestServiceLevelAgreement(unittest.TestCase):
 			apply_sla_for_resolution=0,
 		)
 		creation = datetime.datetime(2019, 3, 4, 12, 0)
-		lead = make_lead(creation=creation, index=4)
+		lead = make_lead(creation=creation, index=4, company=self.company)
 		applied_sla = frappe.db.get_value("Lead", lead.name, "service_level_agreement")
 		self.assertFalse(applied_sla)
 
@@ -611,7 +633,7 @@ def create_custom_doctype():
 		return frappe.get_doc("DocType", "Test SLA on Custom Dt")
 
 
-def make_lead(creation=None, index=0):
+def make_lead(creation=None, index=0, company=None):
 	return frappe.get_doc(
 		{
 			"doctype": "Lead",
@@ -621,5 +643,6 @@ def make_lead(creation=None, index=0):
 			"creation": creation,
 			"service_level_agreement_creation": creation,
 			"priority": "Medium",
+			"company": company,
 		}
 	).insert(ignore_permissions=True)