[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/455/ : UNSTABLE in 2h 04m 27s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/452/ : SUCCESS in 4h 23m 41s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/163/ : UNSTABLE in 3h 35m 47s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/455/ : UNSTABLE in 3h 33m 07s