diff --git a/erpnext/quality_management/doctype/quality_procedure/test_quality_procedure.py b/erpnext/quality_management/doctype/quality_procedure/test_quality_procedure.py
index 04e8211..467186d 100644
--- a/erpnext/quality_management/doctype/quality_procedure/test_quality_procedure.py
+++ b/erpnext/quality_management/doctype/quality_procedure/test_quality_procedure.py
@@ -1,56 +1,107 @@
 # Copyright (c) 2018, Frappe and Contributors
 # See license.txt
 
-import unittest
-
 import frappe
+from frappe.tests.utils import FrappeTestCase
 
 from .quality_procedure import add_node
 
 
-class TestQualityProcedure(unittest.TestCase):
+class TestQualityProcedure(FrappeTestCase):
 	def test_add_node(self):
-		try:
-			procedure = frappe.get_doc(
-				dict(
-					doctype="Quality Procedure",
-					quality_procedure_name="Test Procedure 1",
-					processes=[dict(process_description="Test Step 1")],
-				)
-			).insert()
-
-			frappe.local.form_dict = frappe._dict(
-				doctype="Quality Procedure",
-				quality_procedure_name="Test Child 1",
-				parent_quality_procedure=procedure.name,
-				cmd="test",
-				is_root="false",
-			)
-			node = add_node()
-
-			procedure.reload()
-
-			self.assertEqual(procedure.is_group, 1)
-
-			# child row created
-			self.assertTrue([d for d in procedure.processes if d.procedure == node.name])
-
-			node.delete()
-			procedure.reload()
-
-			# child unset
-			self.assertFalse([d for d in procedure.processes if d.name == node.name])
-
-		finally:
-			procedure.delete()
-
-
-def create_procedure():
-	return frappe.get_doc(
-		dict(
-			doctype="Quality Procedure",
-			quality_procedure_name="Test Procedure 1",
-			is_group=1,
-			processes=[dict(process_description="Test Step 1")],
+		procedure = create_procedure(
+			{
+				"quality_procedure_name": "Test Procedure 1",
+				"is_group": 1,
+				"processes": [dict(process_description="Test Step 1")],
+			}
 		)
-	).insert()
+
+		frappe.local.form_dict = frappe._dict(
+			doctype="Quality Procedure",
+			quality_procedure_name="Test Child 1",
+			parent_quality_procedure=procedure.name,
+			cmd="test",
+			is_root="false",
+		)
+		node = add_node()
+
+		procedure.reload()
+
+		self.assertEqual(procedure.is_group, 1)
+
+		# child row created
+		self.assertTrue([d for d in procedure.processes if d.procedure == node.name])
+
+		node.delete()
+		procedure.reload()
+
+		# child unset
+		self.assertFalse([d for d in procedure.processes if d.name == node.name])
+
+	def test_remove_parent_from_old_child(self):
+		child_qp = create_procedure(
+			{
+				"quality_procedure_name": "Test Child 1",
+				"is_group": 0,
+			}
+		)
+		group_qp = create_procedure(
+			{
+				"quality_procedure_name": "Test Group",
+				"is_group": 1,
+				"processes": [dict(procedure=child_qp.name)],
+			}
+		)
+
+		child_qp.reload()
+		self.assertEqual(child_qp.parent_quality_procedure, group_qp.name)
+
+		group_qp.reload()
+		del group_qp.processes[0]
+		group_qp.save()
+
+		child_qp.reload()
+		self.assertEqual(child_qp.parent_quality_procedure, None)
+
+	def remove_child_from_old_parent(self):
+		child_qp = create_procedure(
+			{
+				"quality_procedure_name": "Test Child 1",
+				"is_group": 0,
+			}
+		)
+		group_qp = create_procedure(
+			{
+				"quality_procedure_name": "Test Group",
+				"is_group": 1,
+				"processes": [dict(procedure=child_qp.name)],
+			}
+		)
+
+		group_qp.reload()
+		self.assertTrue([d for d in group_qp.processes if d.procedure == child_qp.name])
+
+		child_qp.reload()
+		self.assertEqual(child_qp.parent_quality_procedure, group_qp.name)
+
+		child_qp.parent_quality_procedure = None
+		child_qp.save()
+
+		group_qp.reload()
+		self.assertFalse([d for d in group_qp.processes if d.procedure == child_qp.name])
+
+
+def create_procedure(kwargs=None):
+	kwargs = frappe._dict(kwargs or {})
+
+	doc = frappe.new_doc("Quality Procedure")
+	doc.quality_procedure_name = kwargs.quality_procedure_name or "_Test Procedure"
+	doc.is_group = kwargs.is_group or 0
+
+	for process in kwargs.processes or []:
+		doc.append("processes", process)
+
+	doc.insert()
+
+	return doc