[ci] Add RELEASE_CHANNEL_stable_yarn_test_dom_fixtures to gh actions

ghstack-source-id: 53a431f952
Pull Request resolved: https://github.com/facebook/react/pull/30358

.github/workflows/runtime_build_and_test.yml

@@ -347,6 +347,41 @@ jobs:
         run: ls -R build
       - run: yarn check-release-dependencies
 
+  RELEASE_CHANNEL_stable_yarn_test_dom_fixtures:
+    name: Check fixtures DOM (stable)
+    needs: build_and_lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 18.20.1
+          cache: yarn
+          cache-dependency-path: yarn.lock
+      - name: Restore cached node_modules
+        uses: actions/cache@v4
+        id: node_modules
+        with:
+          path: "**/node_modules"
+          key: v2-yarn_cache_fixtures_dom-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('yarn.lock') }}
+      - run: yarn install --frozen-lockfile
+      - run: yarn install --frozen-lockfile --cache-folder ~/.cache/yarn
+        working-directory: fixtures/dom
+      - name: Restore archived build
+        uses: actions/download-artifact@v4
+        with:
+          path: build
+          merge-multiple: true
+      - name: Display structure of build
+        run: ls -R build
+      - name: Run DOM fixture tests
+        run: |
+          yarn predev
+          yarn test
+        working-directory: fixtures/dom
+        env:
+          RELEASE_CHANNEL: stable
+
   # ----- FLIGHT -----
   run_fixtures_flight_tests:
     name: Run fixtures Flight tests