diff --git a/.github/workflows/e2e-standalone-tests.yml b/.github/workflows/e2e-standalone-tests.yml
index 7dceb059..2187982b 100644
--- a/.github/workflows/e2e-standalone-tests.yml
+++ b/.github/workflows/e2e-standalone-tests.yml
@@ -31,6 +31,16 @@ jobs:
         with:
           node-version: '18'
 
+      - name: Setup Optuna ${{ matrix.optuna-version }}
+        run: |
+          python -m pip install --progress-bar off --upgrade pip setuptools
+          python -m pip install --progress-bar off --upgrade ${{ matrix.optuna-version }}
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --progress-bar off .
+          python -m pip install --progress-bar off pytest-playwright
+
       - name: Build standalone_app
         env:
           PUBLIC_PATH: /optuna-dashboard/public/
diff --git a/e2e_tests/test_dashboard/__init__.py b/e2e_tests/test_dashboard/__init__.py
new file mode 100644
index 00000000..e69de29b