diff --git a/tests/charts/api_tests.py b/tests/charts/api_tests.py
index 9e6dca7805043..35fe93942a8cb 100644
--- a/tests/charts/api_tests.py
+++ b/tests/charts/api_tests.py
@@ -28,6 +28,7 @@
 from sqlalchemy.sql import func
 
 from superset.utils.core import get_example_database
+from tests.fixtures.unicode_dashboard import load_unicode_dashboard_with_slice
 from tests.test_app import app
 from superset.connectors.connector_registry import ConnectorRegistry
 from superset.extensions import db, security_manager
@@ -567,6 +568,7 @@ def test_get_chart_no_data_access(self):
         rv = self.client.get(uri)
         self.assertEqual(rv.status_code, 404)
 
+    @pytest.mark.usefixtures("load_unicode_dashboard_with_slice")
     def test_get_charts(self):
         """
         Chart API: Test get charts
@@ -733,6 +735,7 @@ def test_get_charts_favorite_filter(self):
         assert rv.status_code == 200
         assert len(expected_models) == data["count"]
 
+    @pytest.mark.usefixtures("load_unicode_dashboard_with_slice")
     def test_get_charts_page(self):
         """
         Chart API: Test get charts filter