+# allow some time to gather metrics
+sleep 20
+
+# check if metric is monitored as expected (exported by son-emu, has vnf name as metric id)
+tx_rate=$(son-emu-cli monitor-zapi prometheus -d datacenter1 -vnf vnf1 -q 'rate(sonemu_tx_count_packets{vnf_name="vnf1"}[10s])')
+
+sleep 1
+
+# test if prometheus query worked
+echo $tx_rate
+
+regex='\[[0-9.]*, .*\]'
+
+if [[ $tx_rate =~ $regex ]] ; then
+ echo " tx_rate monitor test OK"
+else
+ echo "tx_rate monitor test not OK"
+ exit 1
+fi