[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/448/ : UNSTABLE in 1h 35m 46s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/444/ : SUCCESS in 3h 09m 50s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/156/ : UNSTABLE in 3h 52m 42s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/448/ : FAILURE in 5h 00m 27s