Build: Add integration test into Azure Pipeline

Fix #842 
Close #845

Author: uchemukolo

azure-pipelines.yml

@@ -25,7 +25,7 @@ jobs:
       GIT_USER_EMAIL: $(GIT_USER_EMAIL)
       GIT_USER_NAME: $(GIT_USER_NAME)
       GIT_PASSWORD: $(GIT_PASSWORD)
-  - script: npm run test-staging
+  - script: npm run test-staging && node helpers/integration-tests/index.js
     displayName: 'Analyze staging with webhint'
     condition: and(succeeded(), eq(variables['Build.SourceBranch'], 'refs/heads/master'))
   - bash: |