public async Task SelectManyShouldWork()
{
#pragma warning disable 1998
var sequence = await AsyncEnumerable.Range(0, 10).Select(async i => new Entry(i * 10)).SelectMany(async i => i.Member).ToList();
#pragma warning restore 1998
CollectionAssert.AreEqual(Enumerable.Range(0,100).ToList(),sequence.ToList());
}
}