Add traefik as special case in tests

Author: tianon

test/config.sh

@@ -161,16 +161,19 @@ imageTests+=(
 globalExcludeTests+=(
 	# single-binary images
 	[hello-world_utc]=1
-	[swarm_utc]=1
 	[nats_utc]=1
+	[swarm_utc]=1
+	[traefik_utc]=1
 
 	[hello-world_no-hard-coded-passwords]=1
-	[swarm_no-hard-coded-passwords]=1
 	[nats_no-hard-coded-passwords]=1
+	[swarm_no-hard-coded-passwords]=1
+	[traefik_no-hard-coded-passwords]=1
 
 	[hello-world_override-cmd]=1
-	[swarm_override-cmd]=1
 	[nats_override-cmd]=1
+	[swarm_override-cmd]=1
+	[traefik_override-cmd]=1
 
 	# no "native" dependencies
 	[ruby:alpine_ruby-bundler]=1