diff --git a/examples/test/test_tree1024.py b/examples/test/test_tree1024.py
index adacb90..2d180cb 100755
--- a/examples/test/test_tree1024.py
+++ b/examples/test/test_tree1024.py
@@ -1,37 +1,27 @@
 #!/usr/bin/env python
 
-"""TEST"""
+"""
+Test for tree1024.py
+"""
 
 import unittest
 import pexpect
-#from time import sleep
-from mininet.log import setLogLevel
-#from mininet.net import Mininet
-#from mininet.node import CPULimitedHost
-#from mininet.link import TCLink
-
-#from mininet.examples.simpleperf import SingleSwitchTopo
 
 class testTree1024( unittest.TestCase ):
-    "Test ping with single switch topology (common code)."
 
     prompt = 'mininet>'
 
     def testTree1024( self ):
+        "Run the example and do a simple ping test from h1 to h1024"
         p = pexpect.spawn( 'python -m mininet.examples.tree1024' )
         p.expect( self.prompt, timeout=6000 ) # it takes awhile to set up
         p.sendline( 'h1 ping -c 1 h1024' )
         p.expect ( '(\d+)% packet loss' )
         percent = int( p.match.group( 1 ) ) if p.match else -1
-        #self.assertEqual( percent, 0 )
-        #p.expect( self.prompt )
-        #p.sendline( 'iperf' )
-        #p.expect( "Results: \['\d+ .bits/sec', '\d+ .bits/sec'\]" )
         p.expect( self.prompt )
         p.sendline( 'exit' )
         p.wait()
         self.assertEqual( percent, 0 )
 
 if __name__ == '__main__':
-    setLogLevel( 'warning' )
     unittest.main()
diff --git a/examples/test/test_treeping64.py b/examples/test/test_treeping64.py
index 8328c35..8154314 100755
--- a/examples/test/test_treeping64.py
+++ b/examples/test/test_treeping64.py
@@ -1,23 +1,18 @@
 #!/usr/bin/env python
 
-"""TEST"""
+"""
+Test for treeping64.py
+"""
 
 import unittest
 import pexpect
-#from time import sleep
-from mininet.log import setLogLevel
-#from mininet.net import Mininet
-#from mininet.node import CPULimitedHost
-#from mininet.link import TCLink
-
-#from mininet.examples.simpleperf import SingleSwitchTopo
 
 class testTreePing64( unittest.TestCase ):
-    "Test ping with single switch topology (common code)."
 
     prompt = 'mininet>'
 
     def testTreePing64( self ):
+        "Run the example and verify ping results"
         p = pexpect.spawn( 'python -m mininet.examples.treeping64' )
         p.expect( 'Tree network ping results:', timeout=6000 )
         count = 0
@@ -32,5 +27,4 @@ class testTreePing64( unittest.TestCase ):
         self.assertTrue( count > 0 )
 
 if __name__ == '__main__':
-    setLogLevel( 'warning' )
     unittest.main()