Fix displaying specific error message when Jenkins test fails
As discussed in https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/13100#note_36638808 this is a fix for displaying a specific error message in case Jenkins test fails
As discussed in https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/13100#note_36638808 this is a fix for displaying a specific error message in case Jenkins test fails