set directory change

.github/workflows/mobile.js.yml

@@ -22,11 +22,13 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
+        run: cd ./mobile-ui
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v3
         with:
           node-version: ${{ matrix.node-version }}
           cache: 'npm'
-      - run: npm ci
-      - run: npm run build --if-present
-      - run: npm test
+        run: |
+          npm ci
+          npm run build --if-present
+          npm test