Test script bugfix

src/function-run/nodejs/test/test.sh

@@ -9,6 +9,11 @@ DIR=$(dirname $0)
 
 echo "-- Starting server"
 node $DIR/../server.js --codepath $DIR/test.js --port 8888 &
+function cleanup() {
+    echo "-- Cleanup"
+    kill %1
+}
+trap cleanup EXIT
 sleep 2
 
 echo "-- Specializing"
@@ -16,7 +21,3 @@ curl -f -X POST http://localhost:8888/specialize
 
 echo "-- Running user function"
 curl -f http://localhost:8888 ; echo
-
-echo "-- Cleanup"
-kill %1
-