public async Task GetServer_should_return_not_found_when_server_does_not_exists()
{
A.CallTo(() => _fakeMediator.Send(A <GetServerInfoQuery> ._, A <CancellationToken> ._)).Returns(null as ServerInfoDto);
var result = await _serversController.GetServer(string.Empty);
Assert.IsInstanceOf <NotFoundResult>(result);
}
