Bug 21467: Prevent tests to fail

The following error is raised if TestBuilder generates too big numbers:
 Out of range value for column 'tax_value_on_ordering'

     UPDATE aqorders
     SET
         tax_value_on_ordering = quantity * ecost_tax_excluded * tax_rate_on_ordering,
         tax_value_on_receiving = quantity * unitprice_tax_excluded * tax_rate_on_receiving
     WHERE ordernumber = ?
 "] at /home/vagrant/kohaclone/C4/Acquisition.pm line 1484.

Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>

Signed-off-by: Nick Clemens <nick@bywatersolutions.com>

t/db_dependent/Acquisition.t

@@ -728,6 +728,8 @@ subtest 'ModReceiveOrder and subscription' => sub {
                 order_internalnote => $first_note,
                 quantity           => 5,
                 quantityreceived   => 0,
+                ecost_tax_excluded => 42,
+                unitprice_tax_excluded => 42,
             }
         }
     );