public void FirstInSequenceNameReturnsSameNameWithPartNumberOne()
        {
            // Arrange
            DataChunk dataChunk = new DataChunk {
                PartName = "test.jpg.part_8.10"
            };
            // Act
            var result = dataChunk.FirstInSequenceName();

            // Assert
            Assert.Equal("test.jpg.part_1.10", result);
        }