public void Test007_HelperMethod001_GivenWordSearch_GetUpwardDiagonalsInWordSearchReturnsAListOfStringsEachContainingADiagonalFromThePuzzle()
{
WordSearch wordSearch = new WordSearch();
string input = wordSearch.GetInput("TestDocument001.txt");
List <string> expectedResult = new List <string>(new string[] { "B", "XV", "SVL", "TEST", "KPEOW", "TWKO", "EXR", "SD", "D" });
List <string> actualResult = wordSearch.GetUpwardDiagonalsInWordSearch(wordSearch.GetRowsInWordSearch(input));
CollectionAssert.AreEqual(expectedResult, actualResult);
}