@Test
    public void testForBrokenSaslHandshakeVersionBump() {
        assertEquals(1, ApiKeys.SASL_HANDSHAKE.latestVersion(),
            "It is not possible to easily bump SASL_HANDSHAKE schema due to improper version negotiation in " +
            "clients < 2.5. Please see https://issues.apache.org/jira/browse/KAFKA-9577");
    }
Tests that invalid ApiVersionRequest is handled by the server correctly and
returns an INVALID_REQUEST error.
clients/src/test/java/org/apache/kafka/common/security/authenticator/SaslAuthenticatorTest.java