public void Test008_HelperMethod001_GivenWordSearch_GetDownwardDiagonalsInWordSearchReturnsAListOfStringsEachContainingADiagonalFromThePuzzle()
{
WordSearch wordSearch = new WordSearch();
string input = wordSearch.GetInput("TestDocument002.txt");
List <string> expectedResult = new List <string>(new string[] { "H", "LK", "VQO", "TSTC", "CLSSN", "TSEYIJ", "LDTXWHI", "DUTYAT", "FILES", "JHLK", "SMR", "EI", "Q" });
List <string> actualResult = wordSearch.GetDownwardDiagonalsInWordSearch(wordSearch.GetRowsInWordSearch(input));
CollectionAssert.AreEqual(expectedResult, actualResult);
}