createClientConnection(SecurityProtocol.PLAINTEXT, node1);
MetadataRequest metadataRequest1 = new MetadataRequest.Builder(Collections.singletonList("sometopic"),
true).build();
RequestHeader metadataRequestHeader1 = new RequestHeader(ApiKeys.METADATA, metadataRequest1.version(),
"someclient", 1);
createClientConnection(SecurityProtocol.PLAINTEXT, node2);
sendHandshakeRequestReceiveResponse(node2, (short) 1);
MetadataRequest metadataRequest2 = new MetadataRequest.Builder(Collections.singletonList("sometopic"), true).build();
RequestHeader metadataRequestHeader2 = new RequestHeader(ApiKeys.METADATA,
metadataRequest2.version(), "someclient", 2);