Don't run app.listen when testing nat-globelet-playground

projects/nat-globelet-playground/src/nat_globelet_playground/Main.kiss

@@ -1,5 +1,6 @@
 (let [app (Express.call)
         port 3000]
     (app.get "/" ->[req res next] (res.send "Hello World!"))
-    (app.listen port ->(print "kiss-express listening at http://localhost:$port")))
+    (#unless test
+        (app.listen port ->(print "kiss-express listening at http://localhost:$port"))))
 

projects/nat-globelet-playground/test.sh

@@ -21,4 +21,4 @@ if [ ! -d .haxelib/kiss ]; then
         fi
     done
 fi
-haxe build.hxml
+haxe -D test build.hxml