Add a new test scenario

to trigger the implicit parent not being in the parents and ancestors lists.

tools/scripts/ig-hotfix/scenarios/test4.py

@@ -0,0 +1,26 @@
+from django.db import connection
+from awx.main.models import InstanceGroup
+
+InstanceGroup.objects.filter(name__in=('green', 'yellow', 'red')).delete()
+
+green = InstanceGroup.objects.create(name='green')
+red = InstanceGroup.objects.create(name='red')
+yellow = InstanceGroup.objects.create(name='yellow')
+
+for ig in InstanceGroup.objects.all():
+    print((ig.id, ig.name, ig.use_role_id))
+
+with connection.cursor() as cursor:
+    cursor.execute("UPDATE main_instancegroup SET use_role_id = NULL WHERE name = 'red'")
+    cursor.execute(f"UPDATE main_instancegroup SET use_role_id = {green.use_role_id} WHERE name = 'yellow'")
+
+green.refresh_from_db()
+red.refresh_from_db()
+yellow.refresh_from_db()
+green.save()
+red.save()
+yellow.save()
+
+print("=====================================")
+for ig in InstanceGroup.objects.all():
+    print((ig.id, ig.name, ig.use_role_id))