Fix path

.github/workflows/e2e-dashboard-tests.yml

@@ -47,4 +47,4 @@ jobs:
         run: playwright install
 
       - name: Run e2e tests
-        run: pytest e2e_tests
+        run: pytest e2e_tests/test_dashboard

e2e_tests/test_dashboard/test_usecases/test_study_history.py

@@ -2,7 +2,7 @@ import optuna
 from playwright.sync_api import Page
 import pytest
 
-from ..test_server import make_test_server
+from ...test_server import make_test_server
 
 
 def make_test_storage() -> optuna.storages.InMemoryStorage:

e2e_tests/test_dashboard/visual_regression_test.py

@@ -4,7 +4,7 @@ import optuna
 from playwright.sync_api import Page
 import pytest
 
-from .test_server import make_test_server
+from ..test_server import make_test_server
 
 
 @pytest.fixture