adding support for async callbacks and page layouts

.circleci/config.yml

@@ -459,6 +459,9 @@ workflows:
       - test-312:
           requires:
             - install-dependencies-312
+      - test-312-async:
+          requires:
+            - install-dependencies-312
       - test-38:
           requires:
             - install-dependencies-38

.github/workflows/testing.yml

@@ -135,9 +135,9 @@ jobs:
         run: |
           cd tests
           pytest compliance/test_typing.py
-  
+
   background-callbacks:
-    name: Run Background Callback Tests (Python ${{ matrix.python-version }})
+    name: Run Background & Async Callback Tests (Python ${{ matrix.python-version }})
     needs: [build, changes_filter]
     if: |
       (github.event_name == 'push' && (github.ref == 'refs/heads/master' || github.ref == 'refs/heads/dev')) ||
@@ -195,7 +195,7 @@ jobs:
           python -m pip install --upgrade pip wheel
           python -m pip install "setuptools<78.0.0"
           python -m pip install "selenium==4.32.0"
-          find packages -name dash-*.whl -print -exec sh -c 'pip install "{}[ci,testing,dev,celery,diskcache]"' \;
+          find packages -name dash-*.whl -print -exec sh -c 'pip install "{}[async,ci,testing,dev,celery,diskcache]"' \;
 
       - name: Install Google Chrome
         run: |
@@ -253,13 +253,17 @@ jobs:
         run: |
           python -c "import redis; r = redis.Redis(host='localhost', port=6379, db=0); r.ping(); print('Successfully connected to Redis!')"
 
-      - name: Run Background Callback Tests
+      - name: Build/Setup test components
+        run: npm run setup-tests.py
+
+      - name: Run Background & Async Callback Tests
         run: |
           mkdir bgtests
           cp -r tests bgtests/tests
           cd bgtests
           touch __init__.py
           pytest --headless --nopercyfinalize tests/background_callback -v -s
+          pytest --headless --nopercyfinalize -k test_async -v -s
 
   table-unit:
     name: Table Unit/Lint Tests (Python ${{ matrix.python-version }})