in CachingProxyTests/src/ResponseCacheTest.cs [89:101]
public void CacheEntry_OtherStatusCodes_ExpireAfter1Minute(HttpStatusCode statusCode)
{
const string key = "test-key";
_cache.PutStatusCode(key, statusCode, null, null, null, null);
// Should exist at 0:59
_timeProvider.Advance(TimeSpan.FromSeconds(59));
Assert.NotNull(_cache.GetCachedStatusCode(key));
// Should be gone at 1:01
_timeProvider.Advance(TimeSpan.FromSeconds(2));
Assert.Null(_cache.GetCachedStatusCode(key));
}