public async Task ReplaceManyAsync_ShouldNotDoAnyInsertions_EmptyBulk()
        {
            // Act
            await _sut.ReplaceManyAsync(new List <ReplaceOneModel <BsonDocument> >(), CancellationToken.None);

            // Assert
            var actual = _destCollection.FindSync(FilterDefinition <BsonDocument> .Empty).ToList();

            actual.Should().BeEmpty();
        }