[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/393/ : UNSTABLE in 1h 55m 10s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/386/ : UNSTABLE in 3h 30m 15s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/97/ : SUCCESS in 3h 14m 45s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/391/ : FAILURE in 5h 00m 00s