Add ci tasks to validate vsce_token without publishing

concourse/tasks/verify-vsce-token.yml

@@ -0,0 +1,11 @@
+inputs:
+- name: sts4
+platform: linux
+image_resource:
+  type: docker-image
+  source:
+    username: ((docker_hub_username))
+    password: ((docker_hub_password))
+    repository: springci/sts4-build-env
+run:
+  path: sts4/concourse/tasks/vsce-verify-token.sh

concourse/tasks/vsce-verify-token.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+set -e
+workdir=`pwd`
+vsce verify-pat -p Pivotal