Add extra Exception to test_ListResources_untrustedCredential().
Add extra Exception to test_ListResources_untrustedCredential().

tcmitchell/geni-tools,ahelsing/geni-tools,plantigrade/geni-tools,ahelsing/geni-tools,plantigrade/geni-tools,tcmitchell/geni-tools,GENI-NSF/gram,GENI-NSF/gram,GENI-NSF/gram