diff --git a/app/tests/test_web_route.py b/app/tests/test_web_route.py
index ff721ed..966f57e 100644
--- a/app/tests/test_web_route.py
+++ b/app/tests/test_web_route.py
@@ -1,13 +1,19 @@
 # test_with_pytest.py
 import pytest
 from server import app
-
+from web import Web, web
 from async_stream import AsyncStreamClient
 from gen3plus.inverter_g3p import InverterG3P
 from test_inverter_g3p import FakeReader, FakeWriter, config_conn
 
 pytest_plugins = ('pytest_asyncio',)
 
+@pytest.fixture(scope="session")
+def client():
+    app.secret_key = 'super secret key'
+    Web(app, '../transfer', False)
+    return app.test_client()
+
 @pytest.fixture
 def create_inverter(config_conn):
     _ = config_conn
@@ -36,58 +42,59 @@ def create_inverter_client(config_conn):
     return inv
 
 @pytest.mark.asyncio
-async def test_home():
+async def test_home(client):
     """Test the home route."""
-    client = app.test_client()
     response = await client.get('/')
     assert response.status_code == 200
     assert response.mimetype == 'text/html'
 
 @pytest.mark.asyncio
-async def test_page():
+async def test_page(client):
     """Test the empty page route."""
-    client = app.test_client()
     response = await client.get('/page')
     assert response.status_code == 200
     assert response.mimetype == 'text/html'
 
+@pytest.mark.asyncio
+async def test_rel_page(client):
+    """Test the empty page route."""
+    web.build_relative_urls = True
+    response = await client.get('/page')
+    assert response.status_code == 200
+    assert response.mimetype == 'text/html'
+    web.build_relative_urls = False
 
 @pytest.mark.asyncio
-async def test_favicon96():
+async def test_favicon96(client):
     """Test the favicon-96x96.png route."""
-    client = app.test_client()
     response = await client.get('/favicon-96x96.png')
     assert response.status_code == 200
     assert response.mimetype == 'image/png'
 
 @pytest.mark.asyncio
-async def test_favicon():
+async def test_favicon(client):
     """Test the favicon.ico route."""
-    client = app.test_client()
     response = await client.get('/favicon.ico')
     assert response.status_code == 200
     assert response.mimetype == 'image/x-icon'
 
 @pytest.mark.asyncio
-async def test_favicon_svg():
+async def test_favicon_svg(client):
     """Test the favicon.svg route."""
-    client = app.test_client()
     response = await client.get('/favicon.svg')
     assert response.status_code == 200
     assert response.mimetype == 'image/svg+xml'
 
 @pytest.mark.asyncio
-async def test_apple_touch_icon():
+async def test_apple_touch_icon(client):
     """Test the apple-touch-icon.png route."""
-    client = app.test_client()
     response = await client.get('/apple-touch-icon.png')
     assert response.status_code == 200
     assert response.mimetype == 'image/png'
 
 @pytest.mark.asyncio
-async def test_manifest():
+async def test_manifest(client):
     """Test the site.webmanifest route."""
-    client = app.test_client()
     response = await client.get('/site.webmanifest')
     assert response.status_code == 200
     assert response.mimetype == 'application/manifest+json'
@@ -125,11 +132,6 @@ async def test_data_fetch2(create_inverter_client):
     response = await client.get('/data-fetch')
     assert response.status_code == 200
 
-@pytest.fixture
-def client():
-    app.secret_key = 'super secret key'
-    return app.test_client()
-
 @pytest.mark.asyncio
 async def test_language_en(client):
     """Test the language/en route."""