diff --git a/addons/event/__openerp__.py b/addons/event/__openerp__.py
index 3681a582f2f..aa7b3197b05 100644
--- a/addons/event/__openerp__.py
+++ b/addons/event/__openerp__.py
@@ -55,6 +55,7 @@ Note that:
     ],
     'demo_xml': ['event_demo.xml'],
     'test': ['test/process/event_confirm2done.yml',
+             'test/process/event_draft2cancel.yml',
              'test/process/partner_register2invoice.yml'],
     'installable': True,
     'active': False,
diff --git a/addons/event/event_demo.xml b/addons/event/event_demo.xml
index 4f5a01b0c76..8e1d37c52f6 100644
--- a/addons/event/event_demo.xml
+++ b/addons/event/event_demo.xml
@@ -76,9 +76,9 @@
 		<field name="unit_price">24.00</field>
 		<field name="type" ref="event_type_1"/>
 		<field name="user_id" ref="base.user_root"/>
+		<field name="register_min">50</field>
 		<field name="register_max">350</field>
 	</record>
-    <function model="event.event" name="button_confirm" eval="[ref('event_1')]"/>
 	<record id="event_2" model="event.event">
 		<field name="name">Conference on ERP Buisness</field>
         <field eval="time.strftime('%Y-%m-05 14:00:00')" name="date_begin"/>
diff --git a/addons/event/test/process/event_draft2cancel.yml b/addons/event/test/process/event_draft2cancel.yml
new file mode 100644
index 00000000000..48cb102f3e8
--- /dev/null
+++ b/addons/event/test/process/event_draft2cancel.yml
@@ -0,0 +1,22 @@
+-
+  I want to organize event and its need Minimum 50 Registrations to confirm/start 
+  this Event, but Only 10 registration confirm for this event, I confirm this event. 
+-
+  !python {model: event.event}: |
+    self.button_confirm(cr, uid, [ref("event_1")])
+-
+  Now I cheked for event and It should not be confirm because registrations for 
+  this event is below limit.
+-
+  !assert {model: event.event, id: event_1}:
+    - state == 'confirm', "Event should be confirm."
+-
+  So I cancel this Event
+-
+  !python {model: event.event}: |
+    self.button_cancel(cr, uid, [ref("event_1")])
+-
+  I check event should be cancel.
+-
+  !assert {model: event.event, id: event_1}:
+    - state == 'cancel', "Event should be cancel"