void run() throws Throwable {
        long prodTimeMs = Time.SYSTEM.milliseconds();
        testAdminClient();
        testProduce();
        testConsume(prodTimeMs);
    }
ClientCompatibilityTest is invoked by the ducktape test client_compatibility_features_test.py to validate
client behavior when various broker versions are in use.  It runs various client operations and tests whether they
are supported or not.
tools/src/main/java/org/apache/kafka/tools/ClientCompatibilityTest.java