diff --git a/tests/app/main/views/test_email_branding.py b/tests/app/main/views/test_email_branding.py
index 003f8c7af..45d92d74d 100644
--- a/tests/app/main/views/test_email_branding.py
+++ b/tests/app/main/views/test_email_branding.py
@@ -174,7 +174,11 @@ def test_cant_create_new_email_branding_with_unknown_domain(
         'southend.essex.gov.uk',
         'Not an organisation-level domain (use essex.gov.uk if appropriate)',
     ),
-    pytest.param('voa.gov.uk', '', marks=pytest.mark.xfail(raises=AssertionError)),
+    pytest.param(
+        'voa.gov.uk',
+        '',
+        marks=pytest.mark.xfail(raises=AssertionError)
+    ),
 ])
 def test_rejects_non_canonical_domain_when_adding_email_branding(
     client_request,