[FIX] account_invoice_l10nbe: fixed error on some yaml tests, due to false value not in selection of reference_type field

bzr revid: qdp-launchpad@openerp.com-20110817083829-30nn49zk8x7d62q4

addons/account_invoice_l10nbe/invoice.py

@@ -80,7 +80,7 @@ class account_invoice(osv.osv):
                         algorithm = 'random' 
                     reference = self.generate_bbacomm(cr, uid, ids, type, reference_type, algorithm, partner_id, '')['value']['reference']
         res_update = {       
-            'reference_type': reference_type,
+            'reference_type': reference_type or 'none',
             'reference': reference,
         }
         result['value'].update(res_update)

addons/account_invoice_l10nbe/partner.py

@@ -45,4 +45,8 @@ class res_partner(osv.osv):
             ], 'Communication Algorithm',
             help='Select Algorithm to generate the Structured Communication on Outgoing Invoices.' ),
     }
+
+    _default = {
+        'out_inv_comm_type': 'none',
+    }
 res_partner()