Update scripts/test

* Use ginkgo v2 flags.
* Set the default timeout to 2h so that tests pass. The default timeout
  in ginkgo v1 was 24h.

See
[here](https://onsi.github.io/ginkgo/#recommended-continuous-integration-configuration)
for more information.

Author: ctlong

scripts/test

@@ -13,5 +13,5 @@ bosh upload-stemcell "https://bosh.io/d/stemcells/bosh-google-kvm-${STEMCELL_OS}
 
 pushd "$(dirname "$0")/../tests"
   go install github.com/onsi/ginkgo/ginkgo@latest
-  ginkgo -r -nodes="${NODES:-3}" "$@"
+  ginkgo -r --procs="${NODES:-3}" --compilers="${NODES:-3}" --keep-going --timeout="2h" "$@"
 popd