@Parameters(name = "{index}: rpcServerImpl={0}")
  public static Collection<Object[]> parameters() {
    return Arrays.asList(new Object[] { SimpleRpcServer.class.getName() },
      new Object[] { NettyRpcServer.class.getName() });
  }
Test for testing protocol buffer based RPC mechanism. This test depends on test.proto definition
of types in <code>src/test/protobuf/test.proto</code> and protobuf service definition from
<code>src/test/protobuf/test_rpc_service.proto</code>
hbase-server/src/test/java/org/apache/hadoop/hbase/ipc/TestProtoBufRpc.java