update test, we now expect a 404 when a certificate isn't available
update test, we now expect a 404 when a certificate isn't available

Motejl/open-data-certificate,zoul/open-data-certificate,istvan-antal/open-data-certificate,Motejl/open-data-certificate,theodi/open-data-certificate,ahmadassaf/open-data-certificate,Motejl/open-data-certificate,zoul/open-data-certificate,zoul/open-data-certificate,ahmadassaf/open-data-certificate,istvan-antal/open-data-certificate,zoul/open-data-certificate,theodi/open-data-certificate,istvan-antal/open-data-certificate,ahmadassaf/open-data-certificate,Motejl/open-data-certificate,theodi/open-data-certificate,theodi/open-data-certificate,ahmadassaf/open-data-certificate