Added blank line to end of tests to satisfy build linter

Author: worldofchris

tests/test_endpoints.py

@@ -71,4 +71,4 @@ def test_wait_for_status(nhsd_apim_proxy_url, status_endpoint_auth_headers):
 @pytest.mark.nhsd_apim_authorization({"access": "application", "level": "level0"})
 def test_app_level0(nhsd_apim_proxy_url, nhsd_apim_auth_headers):
     resp = requests.get(f"{nhsd_apim_proxy_url}", headers=nhsd_apim_auth_headers)
-    assert resp.status_code == 401  # unauthorized
+    assert resp.status_code == 401  # unauthorized