Fix NRE's in for unit tests on Action filters
Fix NRE's in for unit tests on Action filters

ZocDoc/ServiceStack,ZocDoc/ServiceStack,nataren/NServiceKit,NServiceKit/NServiceKit,MindTouch/NServiceKit,ZocDoc/ServiceStack,nataren/NServiceKit,timba/NServiceKit,nataren/NServiceKit,NServiceKit/NServiceKit,ZocDoc/ServiceStack,MindTouch/NServiceKit,nataren/NServiceKit,timba/NServiceKit,NServiceKit/NServiceKit,MindTouch/NServiceKit,NServiceKit/NServiceKit,MindTouch/NServiceKit,timba/NServiceKit,timba/NServiceKit