Check that the amoc_users_size metric works

Author: chrzaszcz

ci/test_run_scenario.sh

@@ -19,7 +19,7 @@ run_scenario amoc-master dummy_scenario 10 | contains 200
 echo "checking status of the nodes"
 get_status amoc-master | contains '"amoc_status":"up"' \
                                   '"status":"disabled"'
-sleep 1 ## 1 second is enought to start 5 users with 50ms interarrival timeout
+sleep 1 ## 1 second is enough to start 5 users with 50ms interarrival timeout
 worker_status=( '"amoc_status":"up"'
                 '"status":"running"'
                 '"scenario":"dummy_scenario"'
@@ -29,3 +29,6 @@ worker_status=( '"amoc_status":"up"'
 get_status amoc-worker-1 | contains "${worker_status[@]}"
 get_status amoc-worker-2 | contains "${worker_status[@]}"
 retry 60 curl 'http://localhost:9090/api/v1/query?query=\{__name__="dummy_scenario_metric"\}' | contains "success"
+
+curl 'http://localhost:9090/api/v1/query?query=\{__name__="amoc_users_size"\}' | \
+    jq '[.data.result[].value[1] | tonumber] | add' | contains '^10$'