public async Task CloseNoopsIfInTerminalState(WebSocketState state)
{
var webSocket = new Mock <WebSocket>();
var webSocketHandler = new WebSocketHandler(64 * 1024);
webSocket.Setup(m => m.State).Returns(state);
webSocketHandler.WebSocket = webSocket.Object;
await webSocketHandler.CloseAsync();
webSocket.Verify(m => m.CloseOutputAsync(WebSocketCloseStatus.NormalClosure, "", CancellationToken.None), Times.Never());
}