feat: validate step

Author: promiseofcake

.circleci/test-deploy.yml

@@ -7,7 +7,25 @@ filters: &filters
   tags:
     only: /.*/
 
+jobs:
+  validate:
+    docker:
+      - image: cimg/base:current
+    steps:
+      - workflow-queue/block_execution
+      - run:
+          name: Output timestamps
+          command: |
+            export RAND=$((1 + $RANDOM % 30))
+            echo "Sleeping for ${RAND}"
+            sleep $RAND
+
 workflows:
+  validate:
+    jobs:
+      - validate:
+          filters: *filters
+
   test-deploy:
     jobs:
       # Make sure to include "filters: *filters" in every test job you want to run as part of your deployment.