ecosystem-test validate-docs (#401)

Co-authored-by: nely <nely@cloudify.co>

Author: Nelynehemia

.circleci/config.yml

@@ -222,7 +222,7 @@ commands:
           command: pip install https://github.com/cloudify-incubator/cloudify-ecosystem-test/archive/latest.zip
       - attach_workspace:
           at: workspace
-      - run: python .circleci/validate_docs.py
+      - run: ecosystem-test validate-docs
 
   validate_version:
     steps: