tests: Add needs-internet tag for webserver bits

Fixes the tests, see https://github.com/coreos/coreos-assembler/pull/1600
TODO: provide a webserver binary via virtio or so

tests/kolainst/nondestructive/itest-payload-link.sh

@@ -1,4 +1,6 @@
 #!/bin/bash
+# FIXME just for webserver
+# kola: { "tags": "needs-internet" }
 #
 # Copyright (C) 2018 Red Hat, Inc.
 #

tests/kolainst/nondestructive/itest-pull.sh

@@ -1,5 +1,6 @@
 #!/bin/bash
-
+# FIXME just for webserver
+# kola: { "tags": "needs-internet" }
 # Using the host ostree, test HTTP pulls
 
 set -xeuo pipefail