public void GetFileText_RetrievesTextLineFromFile_RetrieveSuccess() { var expectedResult = new List <string>() { text }; if (!Directory.Exists(dir)) { Directory.CreateDirectory(dir); } if (!File.Exists(path)) { File.Create(path).Close(); } File.AppendAllText(path, text); var actualResult = textHandler.GetFileText(path); AssertListUniformity(expectedResult, actualResult); }