public async Task Unsubscribe_All_Should_Work()
{
var resp = await _membership.UnsubscribeAllAsync();
resp.NonMembers.Should().BeEmpty();
resp.Unsubscribed.Should().BeEquivalentTo(_emails);
_membership.EmailList.Should().BeEmpty();
}
static MembershipTests()
{
_emails = File.ReadAllLines("emails.txt").ToList();
var list = new TestList();
_membership = list.Membership;
var deleteTask = _membership.UnsubscribeAllAsync();
Task.WaitAll(deleteTask);
}