From 77c473687e1acff1c7a1fddf71990ef84bf65dd0 Mon Sep 17 00:00:00 2001
From: lantz <rlantz@cs.stanford.edu>
Date: Tue, 5 Jan 2021 17:01:35 -0800
Subject: [PATCH] Wait for exit to avoid leftover dp0 (#1002)

In certain cases, dp0 and its interfaces were not
being cleaned up, probably due to scratchnet.py being
killed before it terminated. This in turn caused the
natnet test to fail.
---
 examples/test/test_scratchnet.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/examples/test/test_scratchnet.py b/examples/test/test_scratchnet.py
index 3d44955..7facc0f 100755
--- a/examples/test/test_scratchnet.py
+++ b/examples/test/test_scratchnet.py
@@ -16,6 +16,7 @@ class testScratchNet( unittest.TestCase ):
         p = pexpect.spawn( 'python -m %s' % name )
         index = p.expect( self.opts, timeout=120 )
         self.assertEqual( index, 0 )
+        p.wait()
 
     def testPingKernel( self ):
         self.pingTest( 'mininet.examples.scratchnet' )