c.Check(summaries["request_duration_seconds/get/404"].SampleCount, check.Equals, "1")
c.Check(summaries["time_to_status_seconds/get/404"].SampleCount, check.Equals, "1")
c.Check(counters["arvados_keepweb_collectioncache_requests//"].Value, check.Equals, int64(2))
c.Check(summaries["request_duration_seconds/get/404"].SampleCount, check.Equals, "1")
c.Check(summaries["time_to_status_seconds/get/404"].SampleCount, check.Equals, "1")
c.Check(counters["arvados_keepweb_collectioncache_requests//"].Value, check.Equals, int64(2))