Try matrix action by hardcoding values

.github/workflows/frontend-test-action.yml

@@ -22,24 +22,11 @@ jobs:
       - name: Run unit tests
         run: npm test
 
-  get-e2e-files:
-    runs-on: ubuntu-24.04
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Generate file list
-        id: generate-file-list
-        run: |
-          FILES=$(find frontend/cypress/e2e -type f -exec basename {} \; | jq -R . | jq -s .)
-          echo "file_list=$FILES" >> $GITHUB_OUTPUT
-
   e2e:
-    needs: get-e2e-files
     runs-on: ubuntu-24.04
     strategy:
       matrix:
-        file: ${{ fromJSON(needs.get-e2e-files.outputs.file_list) }}
+        file: "['checkIn.cy.ts', 'crud.cy.ts']"
     steps:
       - name: Checkout
         uses: actions/checkout@v4