Place tempest microversions test module in proper place

Recent update to Tempest plugin was moving existing test modules to different
place. And module 'test_microversions' was missed and not moved.

Change-Id: Id19fdb64f12b59c36118c097e2ca7136646c76b3
Depends-On: Ie9ea9f6d25a13f8cd8f0ccbc73f6fa75cca35e0b
Closes-Bug: #1493009
2 files changed
tree: 9d26b03b35a8935f1c49d43723609428db6ed83a
  1. manila_tempest_tests/