Fix jenkins-job-dsl CI

Description

It looks like test runs started failing when Travis CI updated their default workers to Xenial and switched from the Oracle JVM to OpenJDK.

Example failure: https://travis-ci.org/edx/jenkins-job-dsl/builds/570887129
Example success: https://travis-ci.org/edx/jenkins-job-dsl/builds/562693178

This might be fixed easily via a Gradle upgrade or such.

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Done

Assignee

Jeremy Bowman

Reporter

Jeremy Bowman

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Story Points

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Priority

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