diff --git a/test.sh b/test.sh
index 5f2e2e9..1d1f984 100755
--- a/test.sh
+++ b/test.sh
@@ -10,4 +10,10 @@ time docker pull random.kontain.me/random:8x80
 time docker pull ko.kontain.me/ko/github.com/knative/build/cmd/controller
 
 time docker pull buildpack.kontain.me/buildpack/sample-java-app
-time docker pull buildpack.kontain.me/buildpack/sample-java-app # caching! # caching! # caching!
+time docker pull buildpack.kontain.me/buildpack/sample-java-app # caching!
+
+tmp=$(mktemp -d)
+git clone git@github.com:buildpack/sample-java-app.git $tmp
+project=$(gcloud config get-value project)
+CLOUDSDK_API_ENDPOINT_OVERRIDES_CLOUDBUILD=https://api-an3qnndwmq-uc.a.run.app/ gcloud builds submit --tag=gcr.io/$project/built $tmp
+rm $tmp