diff --git a/umap/tests/base.py b/umap/tests/base.py
index 12b672fc..af4011fd 100644
--- a/umap/tests/base.py
+++ b/umap/tests/base.py
@@ -1,5 +1,6 @@
 import copy
 import json
+from pathlib import Path
 
 import factory
 from django.contrib.auth import get_user_model
@@ -40,7 +41,7 @@ class LicenceFactory(factory.django.DjangoModelFactory):
 
 class TileLayerFactory(factory.django.DjangoModelFactory):
     name = "Test zoom layer"
-    url_template = "http://{s}.test.org/{z}/{x}/{y}.png"
+    url_template = "https://{s}.test.org/osmfr/{z}/{x}/{y}.png"
     attribution = "Test layer attribution"
 
     class Meta:
@@ -150,3 +151,8 @@ def login_required(response):
     redirect_url = reverse("login")
     assert j["login_required"] == redirect_url
     return True
+
+
+def mock_tiles(route):
+    path = Path(__file__).parent / "fixtures/empty_tile.png"
+    route.fulfill(path=path)
diff --git a/umap/tests/fixtures/empty_tile.png b/umap/tests/fixtures/empty_tile.png
new file mode 100644
index 00000000..f607ae0a
Binary files /dev/null and b/umap/tests/fixtures/empty_tile.png differ
diff --git a/umap/tests/integration/conftest.py b/umap/tests/integration/conftest.py
index 079f6b78..9bf1aad9 100644
--- a/umap/tests/integration/conftest.py
+++ b/umap/tests/integration/conftest.py
@@ -6,6 +6,8 @@ from pathlib import Path
 import pytest
 from playwright.sync_api import expect
 
+from ..base import mock_tiles
+
 
 @pytest.fixture(scope="session")
 def browser_context_args(browser_context_args):
@@ -23,7 +25,7 @@ def set_timeout(context):
 @pytest.fixture(autouse=True)
 def mock_osm_tiles(page):
     if not bool(os.environ.get("PWDEBUG", False)):
-        page.route("*/**/osmfr/**", lambda route: route.fulfill())
+        page.route("*/**/osmfr/**", mock_tiles)
 
 
 @pytest.fixture
diff --git a/umap/tests/integration/test_import.py b/umap/tests/integration/test_import.py
index e0d44f2d..6d8f29ee 100644
--- a/umap/tests/integration/test_import.py
+++ b/umap/tests/integration/test_import.py
@@ -1,5 +1,4 @@
 import json
-import os
 import platform
 import re
 from pathlib import Path
@@ -10,6 +9,7 @@ from playwright.sync_api import expect
 
 from umap.models import DataLayer
 
+from ..base import mock_tiles
 from .helpers import save_and_get_json
 
 pytestmark = pytest.mark.django_db
@@ -72,6 +72,8 @@ def test_umap_import_from_file(live_server, tilelayer, page):
 
 
 def test_umap_import_from_textarea(live_server, tilelayer, page, settings):
+    page.route("https://tile.openstreetmap.fr/hot/**", mock_tiles)
+
     settings.UMAP_ALLOW_ANONYMOUS = True
     page.goto(f"{live_server.url}/map/new/")
     page.get_by_role("button", name="Open browser").click()