public void DifficultyController_CheckStringIsValid()
{
foreach (Tuple <String, String> test in validStrings)
{
Assert.IsTrue(DifficultyController.IsValidDifficultyController(test.Item1), test.Item2);
}
foreach (Tuple <String, String> test in invalidStrings)
{
Assert.IsFalse(DifficultyController.IsValidDifficultyController(test.Item1), test.Item2);
}
}