Updating actions (again lol)

Author: NickGeek

.github/workflows/build.yml

@@ -45,7 +45,9 @@ jobs:
         working-directory: ./app
         # Start the server in the background and then run tests
         run: |
-          yarn test:serve &
+          cd app/build
+          python3 -m http.server 3000 &
+          cd cd ..
           yarn test
 
       - name: Package build artifact