public void TestIsContain5or6()
{
int[] Arr1 = new int[] { 1, 2, 3, 4, 5 };
bool result1 = Program2.IsContain5or6(Arr1);
Assert.AreEqual(true, result1);
int[] Arr2 = new int[] { 1, 2, 3, 4, 7 };
bool result2 = Program2.IsContain5or6(Arr2);
Assert.AreEqual(false, result2);
}