Updates alerts integration test tosca specification

src/test/clmctest/alerts/alerts_test_config.yaml

@@ -34,12 +34,12 @@ topology_template:
                 - http://172.40.231.200:9999/
           increase_in_running_processes:
             description: This event triggers when the max number of running processes increases.
+            metadata:
+              monitoring_type: stream
             event_type: threshold
             metric: processes.running
             condition:
               threshold: 0
-              granularity: 10
-              aggregation_method: max
               resource_type:
                 flame_location: DC1
                 flame_sfp: nginx