Merge commit 'dffaa678f966f87dcd011671a16b554b29a37549' into develop

tests/files/ansible/roles/ec2/tasks/setup.yml

@@ -24,10 +24,9 @@
     region: "{{ region }}"
     key_name: "{{ keypair }}"
     instance_tags:
-      Name: test_runner
+      Name: "{{ item }}"
+      Role: client-tests
     count_tag: 
-      Name: test_runner
-    exact_count: "{{ total_no_instances }}"
-#    volumes:
-#      - device_name: /dev/xvda
-#        volume_size: "{{ volume_size_gb }}"
+      Name: "{{ item }}"
+    exact_count: 1
+  with_sequence: start=0 end={{ total_no_instances - 1 }} format=testrunner-%1u