Fixed backend code.

Author: SamTV12345

.github/workflows/backend-tests.yml

@@ -60,10 +60,10 @@ jobs:
           pnpm i
           pnpm link --global
           pnpm link --global ep_etherpad-lite
-          cd ../etherpad
+          cd ../etherpad/src
           pnpm link --global "${PLUGIN_NAME}"
           # Rename to match the glob pattern passed to mocha.
-          mv node_modules/"${PLUGIN_NAME}" nodes_modules/ep_client
+          mv node_modules/"${PLUGIN_NAME}" ../nodes_modules/ep_client
       -
         name: Remove core tests so only the client is tested
         run: rm -rf ./etherpad/src/tests/backend/specs