public async Task DequeueAsync_ReturnsEnqueuedMessage()
{
// Arrange
var content = Guid.NewGuid().ToString();
await _messagePublisher.EnqueueAsync(content, CancellationToken.None);
// Act
var message = await _sut.DequeueAsync(CancellationToken.None);
// Assert
Assert.NotNull(message);
// Clean up
await _sut.CompleteAsync(message, CancellationToken.None);
}