product_price_history: failing test avg_price_computation_mutlicompanies_multicurrencies.yml

[Guewen Baconnier @ Camptocamp]

The test avg_price_computation_mutlicompanies_multicurrencies.yml fails with this traceback:

    <snip>
    File "/home/gbaconnier/code/instances/openerp/trunk/parts/addons/purchase/purchase.py", line 707, in action_picking_create
      picking_ids.extend(self._create_pickings(cr, uid, order, order.order_line, None, context=context))
    File "/home/gbaconnier/code/instances/openerp/trunk/parts/addons/purchase/purchase.py", line 695, in _create_pickings
      move = stock_move.create(cr, uid, self._prepare_order_line_move(cr, uid, order, order_line, picking_id, context=context))
    File "/home/gbaconnier/code/instances/openerp/trunk/parts/addons/purchase/purchase.py", line 655, in _prepare_order_line_move
      'location_id': order.partner_id.property_stock_supplier.id,
    File "/home/gbaconnier/code/instances/openerp/trunk/parts/server/openerp/osv/orm.py", line 519, in __getattr__
      return self[name]
    File "/home/gbaconnier/code/instances/openerp/trunk/parts/server/openerp/osv/orm.py", line 427, in __getitem__
      field_values = self._table.read(self._cr, self._uid, ids, field_names, context=self._context, load="_classic_write")
    File "/home/gbaconnier/code/instances/openerp/trunk/parts/server/openerp/osv/orm.py", line 3697, in read
      result = self._read_flat(cr, user, select, fields, context, load)
    File "/home/gbaconnier/code/instances/openerp/trunk/parts/server/openerp/osv/orm.py", line 3755, in _read_flat
      self.check_access_rule(cr, user, ids, 'read', context=context)
    File "/home/gbaconnier/code/instances/openerp/trunk/parts/server/openerp/osv/orm.py", line 4007, in check_access_rule
      self._check_record_rules_result_count(cr, uid, sub_ids, returned_ids, operation, context=context)
    File "/home/gbaconnier/code/instances/openerp/trunk/parts/server/openerp/osv/orm.py", line 3956, in _check_record_rules_result_count
      (self._description, operation))
  except_orm: (u'Access Denied', u'The requested operation cannot be completed due to security restrictions. Please contact your system administrator.\n\n(Document type: Partner, Operation: read)')