ReviewersIT: Stop using Thread#sleep

Instead run reviewer adding with a direct executor in tests.

Feature: Issue 12610
Change-Id: I234f2d0abb3be8de86884cf88b3a828ae26a69c3
5 files changed
tree: ad8857ff7e1190835f6c4970dbbf4cbc2e4b9b02
  1. .settings/
  2. rv-reviewers/
  3. src/
  4. .gitignore
  5. BUILD
  6. LICENSE
  7. plugin.html