Topology: Single host.

Steps:

1. Start NFD.
2. Start ndn-traffic-server to serve ndn:/test-caching, FreshnessPeriod=2800ms
3. Invoke ndnpeek to send Interest ndn:/test-caching/A, MustBeFresh=yes. Fail if this Interest is unanswered.
4. Pause 1000ms.
5. Invoke ndnpeek to send Interest ndn:/test-caching/A, MustBeFresh=yes. Fail if this Interest is unanswered.
6. Kill ndn-traffic-server. Check "total Interests received" equals 1.
7. Pause 2000ms.
8. Invoke ndnpeek to send Interest ndn:/test-caching/A, MustBeFresh=yes. Fail if this Interest is answered with Data.
9. Invoke ndnpeek to send Interest ndn:/test-caching/A without MustBeFresh. Fail if this Interest is unanswered.