test for variable

.gitlab-ci.yml

@@ -6,6 +6,7 @@ deploy-beta:
     - echo "Deploy to beta server"
     - npm install
     - npm run build
+    - echo "$ftp_user"
     - ncftpput -R -u "$ftp_user" -p "$ftp_pass" pls5618.com beta_site build/*
   environment:
     name: beta