fix exception in CSW test
fix exception in CSW test

gfusca/OWSLib,Jenselme/OWSLib,menegon/OWSLib,jachym/OWSLib,geographika/OWSLib,kwilcox/OWSLib,JuergenWeichand/OWSLib,tomkralidis/OWSLib,mbertrand/OWSLib,bird-house/OWSLib,KeyproOy/OWSLib,geopython/OWSLib,ocefpaf/OWSLib,kalxas/OWSLib,QuLogic/OWSLib