Add tests for listings, specs & swagger-ui
Add tests for listings, specs & swagger-ui

cscott/restbase,Krenair/restbase,d00rman/restbase,d00rman/restbase,physikerwelt/restbase,eevans/restbase,wikimedia/restbase,gwicke/restbase,wikimedia/mediawiki-services-restbase,milimetric/restbase,wikimedia/hyperswitch,physikerwelt/restbase,milimetric/restbase,inverno/restbase,Pchelolo/restbase,eevans/restbase,gwicke/restbase,wikimedia/mediawiki-services-restbase,cscott/restbase,wikimedia/restbase,Krenair/restbase,Pchelolo/restbase,inverno/restbase