diff --git a/addons/event/__openerp__.py b/addons/event/__openerp__.py
index aa7b3197b05..7533c90e601 100644
--- a/addons/event/__openerp__.py
+++ b/addons/event/__openerp__.py
@@ -56,7 +56,8 @@ Note that:
     'demo_xml': ['event_demo.xml'],
     'test': ['test/process/event_confirm2done.yml',
              'test/process/event_draft2cancel.yml',
-             'test/process/partner_register2invoice.yml'],
+             'test/process/partner_register2invoice.yml',
+             'test/ui/onchange_events.yml'],
     'installable': True,
     'active': False,
     'certificate': '0083059161581',
diff --git a/addons/event/test/ui/onchange_events.yml b/addons/event/test/ui/onchange_events.yml
new file mode 100644
index 00000000000..d6f58ed37db
--- /dev/null
+++ b/addons/event/test/ui/onchange_events.yml
@@ -0,0 +1,10 @@
+-
+  I call onchange event to change costing of registration base on event.
+-
+  !python {model: event.registration}: |
+    self.onchange_event(cr, uid, ref('reg_1_1'), ref("event_1"), [])
+-
+  I call onchange event to change the partner of event registration.
+-
+  !python {model: event.registration}: |
+    self.onchange_partner_id(cr, uid, ref('reg_1_1'), ref("base.res_partner_asus"), ref("event_1"), email=False)