public List<string> Convert(IMergedLine line)
        {
            var result = new List<string>();

            if (line.Status == LineStatus.Survived)
            {
                result.Add(line.Text);
            }

            if (line.IsHaveConflict)
            {
                result.Add(line.MergeConflict.GetFrameAbove());
                result.AddRange(line.MergeConflict.FirstVariantLines);
                result.Add(line.MergeConflict.GetFrameBetween());
                result.AddRange(line.MergeConflict.SecondVariantLines);
                result.Add(line.MergeConflict.GetFrameBelow());
            }
            else
            {
                if (line.AddedLinesAfter.Any())
                {
                    result.AddRange(line.AddedLinesAfter);
                }
            }

            return result;
        }
        public void CoreConvertTest(IMergedLine line, List<string> expected)
        {
            // arraange
            var mltslt = new MergedLineToStrListConverter();

            // act
            var result = mltslt.Convert(line);

            //assert
            Assert.AreEqual(expected.Count, result.Count, "Количество строк");
            for (int i = 0; i < result.Count; i++)
            {
                Assert.AreEqual(expected[i], result[i], "Ожидаемая строка");
            }
        }