[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/417/ : UNSTABLE in 1h 41m 52s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/414/ : UNSTABLE in 3h 13m 03s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/122/ : UNSTABLE in 4h 23m 01s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/417/ : UNSTABLE in 3h 20m 32s