public void GetFileResultTest()
{
// Arrage
Calculator calc = new Calculator();
// Act
calc.CalculateFile(Directory.GetCurrentDirectory() + "\\TestFile.txt", Directory.GetCurrentDirectory() + "\\TestFileResult.txt");
string[] actual = File.ReadAllLines(Directory.GetCurrentDirectory() + "\\TestFileResult.txt");
string[] expected = File.ReadAllLines(Directory.GetCurrentDirectory() + "\\RightFileResult.txt");
//Assert
CollectionAssert.AreEqual(expected, actual);
}