tree bf2f2d024cc1473cdc220518ce3c3fe09c1cfaeb
parent e459e0d4489f7bc1eb7a821a9def0721a8f94c6a
author Soniya Vyas <svyas@redhat.com> 1574754851 +0530
committer Soniya Vyas <svyas@redhat.com> 1575613307 +0530

Replaced testr with stestr

The officially supported test runner for Tempest is stestr.
overview.rst has frequently used testr as Tempest runner.
Hence, there is need to replace it.

Change-Id: Ie9f9557ebb791225cb2a9f7dabba67f92a1ac376
Signed-off-by:- Soniya Vyas<svyas@redhat.com>