Adding parameter for Aurora so that we're able to run SLA aware updates with less than 20 instances. Lowered time it takes to run test by reducing watch time per instance as well.

docker-compose.yml

@@ -55,6 +55,30 @@ services:
     depends_on:
     - zk
 
+  agent-two:
+    image: rdelvalle/mesos-agent:1.5.1
+    pid: host
+    restart: on-failure
+    ports:
+      - "5061:5061"
+    environment:
+      MESOS_MASTER: zk://192.168.33.2:2181/mesos
+      MESOS_CONTAINERIZERS: docker,mesos
+      MESOS_HOSTNAME: localhost
+      MESOS_PORT: 5061
+      MESOS_RESOURCES: ports(*):[11000-11999]
+      MESOS_SYSTEMD_ENABLE_SUPPORT: 'false'
+      MESOS_WORK_DIR: /tmp/mesos
+    networks:
+      aurora_cluster:
+        ipv4_address: 192.168.33.5
+
+    volumes:
+      - /sys/fs/cgroup:/sys/fs/cgroup
+      - /var/run/docker.sock:/var/run/docker.sock
+    depends_on:
+      - zk
+
   aurora-one:
     image: rdelvalle/aurora:0.21.0
     pid: host
@@ -65,6 +89,7 @@ services:
       CLUSTER_NAME: test-cluster
       ZK_ENDPOINTS: "192.168.33.2:2181"
       MESOS_MASTER: "zk://192.168.33.2:2181/mesos"
+      EXTRA_SCHEDULER_ARGS: "-min_required_instances_for_sla_check=1"
     networks:
       aurora_cluster:
         ipv4_address: 192.168.33.7