### Question:
DssTcpHandler extends SimpleChannelInboundHandler<Object> { @Override public void channelReadComplete(ChannelHandlerContext ctx) { ctx.flush(); }  @Override void channelReadComplete(ChannelHandlerContext ctx); @Override void exceptionCaught(ChannelHandlerContext ctx, Throwable cause);  }### Answer:
@Test void channelReadComplete() { mockChannelHandlerContextChannelId(ctx, "abcedf"); final DssTcpHandler handler = new DssTcpHandler(); handler.channelReadComplete(ctx); Mockito.verify(ctx).flush(); }