TEST: Enable skipped test
This test was skipped due to infr complications during the work
to open x-pack, but wasn't enabled again when the issue was resolved.
Relates:
---
setup:
- - skip:
- version: "all"
- reason: "AwaitsFix'ing, see x-pack-elasticsearch #4197"
- do:
xpack.license.post:
body: >
