@Test
    public void testSslClientAuthDisabledForSaslSslListener() throws Exception {
        verifySslClientAuthForSaslSslListener(true, SslClientAuth.NONE);
    }
Tests OAUTHBEARER fails the connection when the client presents a token with
insufficient scope .
clients/src/test/java/org/apache/kafka/common/security/authenticator/SaslAuthenticatorTest.java