Disable polygerrit tests on stable-2.13

Tests fail on this release due to a bug that was fixed in 2.14.
Also polygerrit is experimental on 2.13 so tests are more likely to fail.

Keep running tests on 2.14 as the test passes and we backport fixes
there for polygerrit.

Change-Id: Ie7c39b44cef954e4308eb033e41a77406a19a822
2 files changed
tree: 5e7ff52c4a4840a52df3feeb7ef1f4b5e2ff1ec1
  1. jenkins/
  2. jenkins-docker/
  3. .gitignore