Don't quote {posargs} in tox.ini

Quotes around {posargs} cause the entire string to be combined into one
arg that gets passed to stestr. This prevents passing multiple args
(e.g. '--concurrency=16 some-regex')

Change-Id: Ib74244eea0ff4fa37dc3308360691059c6fa448b

1 files changed, 1 insertions, 1 deletions

diff --git a/tox.ini b/tox.ini
index 72e6d5b..d9f2ac2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -23,7 +23,7 @@ basepython = python3
 setenv =
     PYTHON=coverage run --source $project --parallel-mode
 commands =
-    stestr run '{posargs}'
+    stestr run {posargs}
     coverage combine
     coverage html -d cover
     coverage xml -o cover/coverage.xml