@Test
    public void testCiphersSuiteForTls12() throws Exception {
        String cipherSuite = "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384";

        sslServerConfigs.put(SslConfigs.SSL_ENABLED_PROTOCOLS_CONFIG, Arrays.asList(SslConfigs.DEFAULT_SSL_ENABLED_PROTOCOLS.split(",")));
        sslServerConfigs.put(SslConfigs.SSL_CIPHER_SUITES_CONFIG, Collections.singletonList(cipherSuite));
        server = NetworkTestUtils.createEchoServer(ListenerName.forSecurityProtocol(SecurityProtocol.SSL),
            SecurityProtocol.SSL, new TestSecurityConfig(sslServerConfigs), null, TIME);

        sslClientConfigs.put(SslConfigs.SSL_ENABLED_PROTOCOLS_CONFIG, Arrays.asList(SslConfigs.DEFAULT_SSL_ENABLED_PROTOCOLS.split(",")));
        sslClientConfigs.put(SslConfigs.SSL_CIPHER_SUITES_CONFIG, Collections.singletonList(cipherSuite));
        checkAuthenticationSucceed();
    }
Tests that connections can be made with TLSv1.2 cipher suite.
clients/src/test/java/org/apache/kafka/common/network/SslTransportTls12Tls13Test.java