public async Task RemoveAll() { await _connectionMapper.Add(Guid.Parse("c906dff3-ef28-4a83-a96c-9598cc174978"), 0, "123456"); await _connectionMapper.Add(Guid.Parse("c906dff3-ef28-4a83-a96c-9598cc174978"), 0, "555456"); var subscriptions = await _connectionMapper.GetAllByKey(Guid.Parse("c906dff3-ef28-4a83-a96c-9598cc174978")); Assert.Equal(2, subscriptions.Count); await _connectionMapper.RemoveAll(Guid.Parse("c906dff3-ef28-4a83-a96c-9598cc174978")); Assert.Null(await _connectionMapper.GetAllByKey(Guid.Parse("c906dff3-ef28-4a83-a96c-9598cc174978"))); }