Added test cases
diff --git a/erpnext/hr/doctype/department/test_department.py b/erpnext/hr/doctype/department/test_department.py
index da69661..2eeca26 100644
--- a/erpnext/hr/doctype/department/test_department.py
+++ b/erpnext/hr/doctype/department/test_department.py
@@ -1,9 +1,24 @@
 # Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
 # License: GNU General Public License v3. See license.txt
 from __future__ import unicode_literals
+import frappe
+import unittest
 
 test_ignore = ["Leave Block List"]
+class TestDepartment(unittest.TestCase):
+    def test_remove_department_data(self):
+        doc = create_department("Test Department")
+        frappe.delete_doc('Department', doc.name)
 
+def create_department(department_name, parent_department=None):
+    doc = frappe.get_doc({
+        'doctype': 'Department',
+        'is_group': 0,
+        'parent_department': parent_department,
+        'department_name': department_name,
+        'company': frappe.defaults.get_defaults().company
+    }).insert()
 
-import frappe
+    return doc
+
 test_records = frappe.get_test_records('Department')
\ No newline at end of file