/// <summary>
 /// Checks if there is anything in the <typeparamref name="CustomHashSet"/>.
 /// </summary>
 /// <returns><paramref name="true"/> if there is something in the <typeparamref name="CustomHashSet"/>, otherwise <paramref name="false"/></returns>
 public bool Any() => list.Any();
 public void AnyMethodShoulFindAtLeastOneMatch()
 {
     Assert.AreEqual(true, list.Any(x => x == 1));
 }