Fix tests from upstream changes and add testing to lint staged and ci (#4127)

.github/workflows/ci.yml

@@ -109,6 +109,16 @@ jobs:
       - name: Checkout Code
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # pin@v4
 
+      - name: Cache npm dependencies
+        uses: actions/cache@2f8e54208210a422b2efd51efaa6bd6d7ca8920f # pin@v3
+        with:
+          path: |
+            ui/desktop/node_modules
+            .hermit/node/cache
+          key: ci-npm-cache-v1-${{ runner.os }}-${{ hashFiles('ui/desktop/package-lock.json') }}
+          restore-keys: |
+            ci-npm-cache-v1-${{ runner.os }}-
+
       - name: Install Dependencies
         run: source ../../bin/activate-hermit && npm ci
         working-directory: ui/desktop
@@ -117,6 +127,10 @@ jobs:
         run: source ../../bin/activate-hermit && npm run lint:check
         working-directory: ui/desktop
 
+      - name: Run Tests
+        run: source ../../bin/activate-hermit && npm run test:run
+        working-directory: ui/desktop
+
   # Faster Desktop App build for PRs only
   bundle-desktop-unsigned:
     uses: ./.github/workflows/bundle-desktop.yml