diff --git a/tests/test_client.py b/tests/test_client.py
index 7fb8e3d8..7863d7a1 100644
--- a/tests/test_client.py
+++ b/tests/test_client.py
@@ -384,6 +384,7 @@ def test_validate_headers(self) -> None:
             client_secret=client_secret,
             _strict_response_validation=True,
         )
+
         with pytest.raises(
             TypeError,
             match="Could not resolve authentication method. Expected either access_token, sandbox_client_id or sandbox_client_secret to be set. Or for one of the `Authorization` or `Authorization` headers to be explicitly omitted",
@@ -1300,6 +1301,7 @@ def test_validate_headers(self) -> None:
             client_secret=client_secret,
             _strict_response_validation=True,
         )
+
         with pytest.raises(
             TypeError,
             match="Could not resolve authentication method. Expected either access_token, sandbox_client_id or sandbox_client_secret to be set. Or for one of the `Authorization` or `Authorization` headers to be explicitly omitted",