public async Task DeleteAllDocumentsAsync_ShouldNotDoAnyDeletions_CollectionIsEmpty()
{
// Arrange
var existing = _destCollection.FindSync(FilterDefinition <BsonDocument> .Empty).ToList();
// Act
await _sut.DeleteAllDocumentsAsync(CancellationToken.None);
// Assert
var afterDeletion = _destCollection.FindSync(FilterDefinition <BsonDocument> .Empty).ToList();
afterDeletion.Should().BeEmpty().And.BeEquivalentTo(existing);
}
