public async Task Handle_InitializeMessage_True()
        {
            // arrange
            (WebSocketContext context, WebSocketMock socket) =
                WebSocketContextHelper.Create();
            var handler = new ConnectionInitializeHandler();
            var message = new GenericOperationMessage
            {
                Type = MessageTypes.Connection.Initialize
            };

            // act
            await handler.HandleAsync(
                context,
                message,
                CancellationToken.None);

            // assert
            Assert.Collection(socket.Outgoing,
                              t =>
            {
                Assert.Equal(MessageTypes.Connection.Accept, t.Type);
            },
                              t =>
            {
                Assert.Equal(MessageTypes.Connection.KeepAlive, t.Type);
            });
        }
        public async Task Can_AcceptMessage_False()
        {
            // arrange
            var webSocketContext = new InMemoryWebSocketContext();

            var handler = new ConnectionInitializeHandler();

            var message = new GenericOperationMessage
            {
                Type = MessageTypes.Connection.Initialize
            };

            // act
            await handler.HandleAsync(
                webSocketContext,
                message,
                CancellationToken.None);

            // assert
            Assert.Collection(webSocketContext.Outgoing,
                              t =>
            {
                Assert.Equal(MessageTypes.Connection.Accept, t.Type);
            },
                              t =>
            {
                Assert.Equal(MessageTypes.Connection.KeepAlive, t.Type);
            });
        }