test(pubsub): fix publishspeed segfault
test(pubsub): fix publishspeed segfault

open62541/open62541,JGrothoff/open62541,open62541/open62541,JGrothoff/open62541,jpfr/open62541,jpfr/open62541,open62541/open62541,JGrothoff/open62541,jpfr/open62541,jpfr/open62541,open62541/open62541,JGrothoff/open62541