[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/434/ : UNSTABLE in 1h 43m 48s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/430/ : FAILURE in 5h 00m 00s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/142/ : SUCCESS in 4h 52m 39s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/434/ : UNSTABLE in 3h 36m 39s