synchronized boolean shouldInjectFailure() {
            numTries++;
            if (numTries == 1) {
                failuresInjected++;
                return true;
            }
            return false;
        }
Test that if the client can send to a node, but doesn't receive a response, it will
disconnect and try a different node.
clients/src/test/java/org/apache/kafka/clients/admin/KafkaAdminClientTest.java