Pass '*session.posargs' through on command line for system tests. (googleapis#4904)

tseaver · Jon Wayne Parrott · commit 82d13a840a5c · 2018-02-20T14:08:12.000-08:00
diff --git a/datastore/nox.py b/datastore/nox.py
@@ -89,7 +89,7 @@ def system(session, py):
     session.install('.')
 
     # Run py.test against the system tests.
-    session.run('py.test', '--quiet', 'tests/system')
+    session.run('py.test', '--quiet', 'tests/system', *session.posargs)
 
 
 @nox.session
