public void KeepLast(int[] a, int[] expected)
{
Arrays obj = new Arrays();
int[] actual = obj.KeepLast(a);
Assert.AreEqual(expected, actual);
}
public void KeepLastTest(int[] numbers, int[] expected)
{
Arrays test = new Arrays();
int[] actual = test.KeepLast(numbers);
Assert.AreEqual(expected, actual);
}