public void Result_fill_array_with_random_numbers()
{
Random rnd = new Random();
int a = rnd.Next(1, 20);
int b = rnd.Next(1, 20);
int c = rnd.Next(1, 20);
int d = rnd.Next(1, 20);
List <int> array = new List <int> {
a, b, c, d
};
List <int> expectedArray = new List <int> {
a, b, c, d
};
List <int> actual = arraySorter.addRandomNumbersToArray(array);
CollectionAssert.AreEqual(expectedArray, actual);
}