public void GetExpire()
{
Cache.Memory.Strings.Set(KEY, SVALUE);
MemoryValue<string> actual = Cache.Memory.Strings.Get<string>(KEY, TimeSpan.FromSeconds(1));
Assert.Equal(SVALUE, actual.Value);
Thread.Sleep(1200);
MemoryValue<string> purged = Cache.Memory.Strings.Get<string>(KEY, TimeSpan.FromSeconds(1));
Assert.False(purged.Exists);
}