[Test, Category("Slow")]
public void SendMessagesToServer()
{
    using (var client = CreatedConnectedClient())
    {
        client.DataReceived += message => clientReceivedResponseCount++;
        echoServer.ClientDataReceived += (connection, data) => serverReceivedMessageCount++;
        WaitForServerResponse();
        Assert.AreEqual(1, echoServer.NumberOfConnectedClients);
        for (int messageIndex = 1; messageIndex <= 5; messageIndex++)
            SendTestMessageAndCheckMessageCount(client, messageIndex);
    }
}

[Test, Category("Slow")]
public void SendMessagesToServer()
{
    using (var client = CreatedConnectedClient())
    {
        client.DataReceived += message => clientReceivedResponseCount++;
        echoServer.ClientDataReceived += (connection, data) => serverReceivedMessageCount++;
        WaitForServerResponse();
        Assert.AreEqual(1, echoServer.NumberOfConnectedClients);
        for (int messageIndex = 1; messageIndex <= 5; messageIndex++)
            SendTestMessageAndCheckMessageCount(client, messageIndex);
    }
}