Use the latest snapshot

Switch to latest tag. We always need to test the newest build, not concrete.

Issue-ID: VNFSDK-651
Signed-off-by: Zebek Bogumil <bogumil.zebek@nokia.com>
Change-Id: Ib7fc407a7e6c31b287826b0c89b7a903a71ff93d
diff --git a/plans/vnfsdk-marketplace/testsuites/setup.sh b/plans/vnfsdk-marketplace/testsuites/setup.sh
index a30a682..7623f71 100644
--- a/plans/vnfsdk-marketplace/testsuites/setup.sh
+++ b/plans/vnfsdk-marketplace/testsuites/setup.sh
@@ -17,7 +17,7 @@
 #
 # These scripts are sourced by run-csit.sh.
 
-REFREPO_IMAGE_TAG=1.6.0-STAGING-latest \
+REFREPO_IMAGE_TAG=latest \
 POSTGRES_IMAGE_TAG=latest \
 NETWORK_DRIVER_MTU=1450 \
 docker-compose up -d