public async Task DeclareAndDeleteExchangeNotExistsAfterWards()
{
IBunny bunny = Bunny.ConnectSingle(ConnectSimple.BasicAmqp);
IExchange declare = bunny.Setup()
.Exchange("to-delete-ex", "fanout");
await declare.DeclareAsync();
bool exists = await declare.ExchangeExistsAsync(declare.Name);
Assert.True(exists);
await declare.DeleteExchangeAsync(declare.Name);
exists = await declare.ExchangeExistsAsync(declare.Name);
Assert.False(exists);
}