tests/docker: update our Travis image

We are now using Xenial based images on Travis so we should make the
same one available as our qemu:travis docker image.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

diff --git a/tests/docker/dockerfiles/travis.docker b/tests/docker/dockerfiles/travis.docker
index 46cf367..e72dc85 100644 (file)
--- a/tests/docker/dockerfiles/travis.docker
+++ b/tests/docker/dockerfiles/travis.docker
@@ -1,4 +1,4 @@
-FROM travisci/ci-garnet:packer-1512502276-986baf0
+FROM travisci/ci-sardonyx:packer-1546978056-2c98a19
 ENV DEBIAN_FRONTEND noninteractive
 ENV LANG en_US.UTF-8
 ENV LC_ALL en_US.UTF-8