fix(tests): Speed up check_monitoreditem_filter.c
fix(tests): Speed up check_monitoreditem_filter.c

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