automatically download xos

Change-Id: Ibc51044b15a719eae69423cd9f7db0f6317b407b
diff --git a/test-standalone/Makefile b/test-standalone/Makefile
index 626495a..39d9e41 100644
--- a/test-standalone/Makefile
+++ b/test-standalone/Makefile
@@ -29,7 +29,7 @@
 	sudo docker exec -i teststandalone_xos_ui_1 bash -c "cd /opt/xos/tests/api; npm install --production"
 	sudo docker exec teststandalone_xos_ui_1 pip install dredd_hooks
 
-xos: prereqs dirs download_services bootstrap onboarding
+xos: prereqs dirs download_xos download_services bootstrap onboarding
 
 prereqs:
 	sudo make -f ../common/Makefile.prereqs
@@ -46,6 +46,9 @@
 	bash ../common/wait_for_xos_port.sh 9998
 	sudo docker-compose -p $(BOOTSTRAP_PROJECT) -f $(BOOTSTRAP_YML) run -e CONFIG_DIR=$(CONFIG_DIR) xos_bootstrap_ui python /opt/xos/tosca/run.py none - < xos.yaml
 
+download_xos:
+	make -f ../common/Makefile.services xos_core
+
 download_services:
 	make -f ../common/Makefile.services
 
@@ -113,7 +116,7 @@
 devel-container: base-container
 	make -f ../common/Makefile.containers xos_devel synchronizer onboarding_synchronizer
 
-containers: devel-container
+containers: prereqs download_xos devel-container
 	make -f ../common/Makefile.containers xos_test
 
 stop: