tree 2755aaf6197ea1d0e2381df04434e668c005f58a
parent 3e97aae8295c030830be72fa93112f8a27751c41
author Matthew Treinish <mtreinish@kortar.org> 1519319506 -0500
committer Matthew Treinish <mtreinish@kortar.org> 1519333247 -0500
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Fix the -l/--list-tests argument for tempest run

The tempest run to stestr migration accidently removed the list command.
This commit adds the functionality back and adds a unit test to ensure
this doesn't happen in the future.

Change-Id: Ibc74887dec98f5d9adce56c235d28b19d0a94a63