https://github.com/solid-contrib/solid-crud-tests/blob/b327f913c56f4c71a15f22c019be5cada217560c/test/surface/fetch-pod-root.test.ts#L24 The fetch pod root request runs a request with the HTTP headers: Authorization: <token> DPoP: <token> Instead of Authorization: DPoP <token> DPoP: <token> The authorization header does not specify the DPoP scheme, whereas the request to the token endpoint does specify it. I expected this test to provide the DPoP scheme in both cases.