message: Adding ts-expect-error
diff: @@ -38,6 +38,7 @@ describe('oauth2 services', () => {
  });
  it('should fail if the code verifier is not supplied', () => {
  + // @ts-expect-error this supposed to fail
  const codeVerifier = undefined;
  const codeChallenge = 'plain-code';
  const codeChallengeMethod = 'plain';
  