public async Task Return_Correct_Leagues(Region region, Queue queue, Tier tier, Division division)
{
IEnumerable <LeagueEntry> leagues = await RiotAPI.Leagues.GetAllLeagues(region, queue, tier, division);
Check.That(leagues).IsNotNull();
Check.That(leagues).IsNotEmpty();
Check.That(leagues).ContainsOnlyElementsThatMatch(x => x.QueueType == queue);
}
public async Task Return_Master_League(Region region, Queue queue)
{
League league = await RiotAPI.Leagues.GetMasterLeague(region, queue);
Check.That(league).IsNotNull();
}