fix again

Author: sneridagh

.github/workflows/main.yml

@@ -267,13 +267,19 @@ jobs:
         uses: actions/cache@v4
         with:
           path: ~/.cache/Cypress
-          key: binary-${{ env.node-version-prerelease }}-${{ hashFiles('volto-add-on/pnpm-lock.yaml','volto-add-on/package.json','volto-add-on/mrs.developer.json') }}
+          key: Cypress-binary-${{ env.node-version }}-${{ hashFiles('volto-add-on/pnpm-lock.yaml', 'volto-add-on/package.json','volto-add-on/mrs.developer.json') }}
 
       - name: Install generated package
         working-directory: ${{ env.name }}
         run: |
           make install
 
+      - name: Install Cypress if not in cache
+        if: steps.cache-cypress-binary.outputs.cache-hit != 'true'
+        working-directory: ${{ env.name }}
+        shell: bash
+        run: 'NODEBIN=$(pnpm bin) && $NODEBIN/cypress install'
+
       - name: Run unit tests
         working-directory: ${{ env.name }}
         run: |