update monitoring test scripts
diff --git a/utils/ci/test_sdk_monitor.sh b/utils/ci/test_sdk_monitor.sh
index 3a1d09c..afd4b8c 100755
--- a/utils/ci/test_sdk_monitor.sh
+++ b/utils/ci/test_sdk_monitor.sh
@@ -6,6 +6,9 @@
 
 # start a vnf
 son-emu-cli compute start -d datacenter1 -n vnf1  --net '(id=input,ip=10.0.10.3/24),(id=output,ip=10.0.10.4/24)'
+
+sleep 1
+
 # monitor a metric
 son-emu-cli monitor setup_metric -vnf vnf1:output --metric tx_packets
 
@@ -14,9 +17,13 @@
 # check if metric is monitored as expected
 cpu_load=$(son-emu-cli monitor prometheus -d datacenter1 -vnf vnf1 -q 'sum(rate(container_cpu_usage_seconds_total{id="/docker/<uuid>"}[10s]))')
 
+sleep 1
+
 # stop the monitor
 son-emu-cli monitor stop_metric -vnf vnf1:output --metric tx_packets
 
+sleep 1
+
 #stop the vnf
 son-emu-cli compute stop -d datacenter1 -n vnf1