ci: Temporarily skip agent shutdown test on s390x
see for tracking
Fixes:
@@ -13,5 +13,6 @@ clone_tests_repo
pushd ${tests_repo_dir}
.ci/run.sh
-tracing/test-agent-shutdown.sh
+# temporary fix, see https://github.com/kata-containers/tests/issues/3878
+[ "$(uname -m)" != "s390x" ] && tracing/test-agent-shutdown.sh
popd
