Testing deploying to a branch

.travis.yml

@@ -9,6 +9,15 @@ install:
 script:
   - npm run build
 
+deploy:
+  provider: pages
+  skip-cleanup: true
+  github-token: $GITHUB_TOKEN
+  keep-history: true
+  local-dir: _site
+  on:
+    branch: gh-pages-test
+
 # blocklist
 branches:
   except: