img_name_regex = ^TestVM$
-img_url = http://download.cirros-cloud.net/daily/20161201/cirros-d161201-aarch64-disk.img
-flavor_ref_ram = 128
+img_url = http://download.cirros-cloud.net/0.5.1/cirros-0.5.1-aarch64-disk.img
+flavor_ref_ram = 256
flavor_ref_alt_ram = 256
-heat_instance_type_ram = 128
+heat_instance_type_ram = 256