@Test
public void testReadRegularMessage() {

  OvsdbConnectionHandler heartBeatHandler = newOvsdbConnectionHandler();
  JsonNode jsonNode = JsonNodeFactory.instance.objectNode();
  ((ObjectNode) jsonNode).put("id", "123");
  ((ObjectNode) jsonNode).put("method", "echo");
  ((ObjectNode) jsonNode).putArray("params");
  heartBeatHandler.channelRead(ctx, jsonNode);
  verify(ctx).fireChannelRead(jsonNode);
}