Added tests for failed ajax get property
Added tests for failed ajax get property

rasmusbe/papi,wp-papi/papi,rasmusbe/papi,ekandreas/papi,ekandreas/papi,isotopsweden/wp-papi,ekandreas/papi,nlemoine/papi,wp-papi/papi,isotopsweden/wp-papi,wp-papi/papi,nlemoine/papi,isotopsweden/wp-papi,rasmusbe/papi,nlemoine/papi