Add posargs (open-telemetry#324)

ocelotl · c24t · commit 28c692e759ab · 2019-12-09T15:26:42.000-08:00
Fixes open-telemetry#323
diff --git a/tox.ini b/tox.ini
@@ -88,7 +88,7 @@ commands_pre =
   mypyinstalled: pip install file://{toxinidir}/opentelemetry-api/
 
 commands =
-  test: pytest
+  test: pytest {posargs}
   coverage: {toxinidir}/scripts/coverage.sh
 
   mypy: mypy --namespace-packages opentelemetry-api/src/opentelemetry/
