Restore tests

tools/npm

@@ -9,14 +9,19 @@ CONTAINER_CACHE_DIR=/tmp/.npm
 
 mkdir -p ${HOST_CACHE_DIR}
 
+TTY=
+if [ -t 1 ] ; then
+	TTY=--tty
+fi
+
 docker run \
     --rm \
     --interactive \
-    --tty \
+    ${TTY} \
     --init \
     --user "$UID:$(id -g)" \
-    --volume "$PWD:/srv/app" \
+    --volume "$PWD:/app" \
     --env npm_config_cache="${CONTAINER_CACHE_DIR}" \
-    --workdir /srv/app \
+    --workdir /app \
     ${NODE_IMAGE} \
     npm "$@"