Modify runtest to make tag argument optional



git-svn-id: http://test.kernel.org/svn/autotest/trunk@385 592f7852-d20e-0410-864c-8624ca9c26a4
diff --git a/client/tests/netperf2/control.parallel b/client/tests/netperf2/control.parallel
index a0478b3..c845879 100644
--- a/client/tests/netperf2/control.parallel
+++ b/client/tests/netperf2/control.parallel
@@ -1,7 +1,7 @@
 def client():
-	job.runtest('client', 'netperf2', '127.0.0.1', '127.0.0.1', 'client')
+	job.run_test('netperf2', '127.0.0.1', '127.0.0.1', 'client', tag='client')
 
 def server():
-	job.runtest('server', 'netperf2', '127.0.0.1', '127.0.0.1', 'server')
+	job.run_test('netperf2', '127.0.0.1', '127.0.0.1', 'server', tag='server')
 
 job.parallel([server], [client])