--- FAIL: TestData (0.05s)
    user_test.go:20: received error: numerical result out of range
        error while reading group file
        github.com/elastic/beats/x-pack/auditbeat/module/system/user.readGroupFile
            /var/lib/jenkins/workspace/elastic+beats+pull-request+multijob-linux/beat/x-pack/auditbeat/label/ubuntu/src/github.com/elastic/beats/x-pack/auditbeat/module/system/user
        github.com/elastic/beats/x-pack/auditbeat/module/system/user.enrichWithGroups
            /var/lib/jenkins/workspace/elastic+beats+pull-request+multijob-linux/beat/x-pack/auditbeat/label/ubuntu/src/github.com/elastic/beats/x-pack/auditbeat/module/system/user
        github.com/elastic/beats/x-pack/auditbeat/module/system/user.GetUsers
            /var/lib/jenkins/workspace/elastic+beats+pull-request+multijob-linux/beat/x-pack/auditbeat/label/ubuntu/src/github.com/elastic/beats/x-pack/auditbeat/module/system/user
        github.com/elastic/beats/x-pack/auditbeat/module/system/user.(*MetricSet).reportState
            /var/lib/jenkins/workspace/elastic+beats+pull-request+multijob-linux/beat/x-pack/auditbeat/label/ubuntu/src/github.com/elastic/beats/x-pack/auditbeat/module/system/user
        github.com/elastic/beats/x-pack/auditbeat/module/system/user.(*MetricSet).Fetch
            /var/lib/jenkins/workspace/elastic+beats+pull-request+multijob-linux/beat/x-pack/auditbeat/label/ubuntu/src/github.com/elastic/beats/x-pack/auditbeat/module/system/user
        github.com/elastic/beats/metricbeat/mb/testing.ReportingFetchV2
            /var/lib/jenkins/workspace/elastic+beats+pull-request+multijob-linux/beat/x-pack/auditbeat/label/ubuntu/src/github.com/elastic/beats/metricbeat/mb/testing/modules.go:20
        github.com/elastic/beats/x-pack/auditbeat/module/system/user.TestData
            /var/lib/jenkins/workspace/elastic+beats+pull-request+multijob-linux/beat/x-pack/auditbeat/label/ubuntu/src/github.com/elastic/beats/x-pack/auditbeat/module/system/user
        testing.tRunner
            /var/lib/jenkins/.gvm/versions/go1.11.3.linux.amd64/src/testing/testing.go:827
        runtime.goexit
            /var/lib/jenkins/.gvm/versions/go1.11.3.linux.amd64/src/runtime/asm_amd64.s:1333
        failed to get users
        github.com/elastic/beats/x-pack/auditbeat/module/system/user.(*MetricSet).reportState
            /var/lib/jenkins/workspace/elastic+beats+pull-request+multijob-linux/beat/x-pack/auditbeat/label/ubuntu/src/github.com/elastic/beats/x-pack/auditbeat/module/system/user
        github.com/elastic/beats/x-pack/auditbeat/module/system/user.(*MetricSet).Fetch
            /var/lib/jenkins/workspace/elastic+beats+pull-request+multijob-linux/beat/x-pack/auditbeat/label/ubuntu/src/github.com/elastic/beats/x-pack/auditbeat/module/system/user
        github.com/elastic/beats/metricbeat/mb/testing.ReportingFetchV2
            /var/lib/jenkins/workspace/elastic+beats+pull-request+multijob-linux/beat/x-pack/auditbeat/label/ubuntu/src/github.com/elastic/beats/metricbeat/mb/testing/modules.go:20
        github.com/elastic/beats/x-pack/auditbeat/module/system/user.TestData
            /var/lib/jenkins/workspace/elastic+beats+pull-request+multijob-linux/beat/x-pack/auditbeat/label/ubuntu/src/github.com/elastic/beats/x-pack/auditbeat/module/system/user
        testing.tRunner
            /var/lib/jenkins/.gvm/versions/go1.11.3.linux.amd64/src/testing/testing.go:827
        runtime.goexit
            /var/lib/jenkins/.gvm/versions/go1.11.3.linux.amd64/src/runtime/asm_amd64.s:1333
FAIL
FAIL    github.com/elastic/beats/x-pack/auditbeat/module/system/user    0.064s