fix: test cases
diff --git a/erpnext/payroll/report/income_tax_computation/test_income_tax_computation.py b/erpnext/payroll/report/income_tax_computation/test_income_tax_computation.py
index fd82981..57ca317 100644
--- a/erpnext/payroll/report/income_tax_computation/test_income_tax_computation.py
+++ b/erpnext/payroll/report/income_tax_computation/test_income_tax_computation.py
@@ -25,11 +25,12 @@
 		frappe.db.rollback()
 
 	def cleanup_records(self):
-		frappe.db.sql("""delete from `tabEmployee Tax Exemption Declaration`""")
-		frappe.db.sql("""delete from `tabPayroll Period`""")
-		frappe.db.sql("""delete from `tabSalary Component`""")
-		frappe.db.sql("""delete from `tabEmployee Benefit Application`""")
-		frappe.db.sql("""delete from `tabEmployee Benefit Claim`""")
+		frappe.db.sql("delete from `tabEmployee Tax Exemption Declaration`")
+		frappe.db.sql("delete from `tabPayroll Period`")
+		frappe.db.sql("delete from `tabIncome Tax Slab`")
+		frappe.db.sql("delete from `tabSalary Component`")
+		frappe.db.sql("delete from `tabEmployee Benefit Application`")
+		frappe.db.sql("delete from `tabEmployee Benefit Claim`")
 		frappe.db.sql("delete from `tabEmployee` where company='_Test Company'")
 		frappe.db.sql("delete from `tabSalary Slip`")
 
@@ -47,7 +48,6 @@
 		self.income_tax_slab = create_tax_slab(
 			self.payroll_period,
 			allow_tax_exemption=True,
-			currency="INR",
 			effective_date=getdate("2019-04-01"),
 			company="_Test Company",
 		)