testUpgradeInstanceWithOldDataFs: Old Data.fs was created with...

testUpgradeInstanceWithOldDataFs: Old Data.fs was created with `--portal_id=erp5`, so it should be passed for erp5testnode too.

tests/__init__.py

@@ -132,7 +132,7 @@ class ERP5(_ERP5):
       shutil.copyfile(os.path.join(old_data_path, 'dump.sql'),
                       os.path.join(instance_home, 'dump.sql'))
 
-      return self.runUnitTest('--load', full_test)
+      return self.runUnitTest('--load', '--portal_id=erp5', full_test)
 
     return super(ERP5, self).run(full_test)