@Setup(Level.Trial)
public void setupTrial() throws Exception {
    connection = new DefaultHttp2Connection(false);
    dataRefresherKey = connection.newKey();

    // Create the flow controller
    switch (algorithm) {
        case WFQ:
            distributor = new WeightedFairQueueByteDistributor(connection, 0);
            break;
        case UNIFORM:
            distributor = new UniformStreamByteDistributor(connection);
            break;
    }
    controller = new DefaultHttp2RemoteFlowController(connection, new ByteCounter(distributor));
    connection.remote().flowController(controller);
    Http2ConnectionHandler handler = new Http2ConnectionHandlerBuilder()
        .encoderEnforceMaxConcurrentStreams(false).validateHeaders(false)
        .frameListener(new Http2FrameAdapter())
        .connection(connection)
        .build();
    ctx = new EmbeddedChannelWriteReleaseHandlerContext(PooledByteBufAllocator.DEFAULT, handler) {
        @Override
        protected void handleException(Throwable t) {
            handleUnexpectedException(t);
        }
    };
    handler.handlerAdded(ctx);
    handler.channelActive(ctx);

    // Create the streams, each initialized with MAX_INT bytes.
    for (int i = 0; i < numStreams; ++i) {
        Http2Stream stream = connection.local().createStream(toStreamId(i), false);
        addData(stream, Integer.MAX_VALUE);
        stream.setProperty(dataRefresherKey, new DataRefresher(stream));
    }
}