--- a/wibble/tests.py	Sun Sep 04 23:46:21 2011 +0100
+++ b/wibble/tests.py	Mon Sep 05 12:13:45 2011 +0100
@@ -38,6 +38,9 @@
     def raiseexception(self):
         dividebyzeroerror = 1/0
 
+    def returnnothing(self):
+        pass
+
 def myauth(username, password, useragent=None):
     return username == 'testuser' and \
            hashlib.md5('s3cr3t').hexdigest() == password and \
@@ -94,6 +97,10 @@
             POUND = unicode('\u00A3')
         self.assertEqual(self.client.echo(POUND), 'ECHO: ' + POUND)
         self.assertEqual(self.client.echo('hello mum!'), 'ECHO: hello mum!')
+
+class ReturnNothing(WibbleTests):
+    def runTest(self):
+        self.assertEqual(self.client.returnnothing(), None)
 ##### client ^^^ #####
 
 finished = False
@@ -115,6 +122,7 @@
     suite.addTest(ExceptionTest())
     suite.addTest(BadRequestTest())
     suite.addTest(EchoTest())
+    suite.addTest(ReturnNothing())
     return suite
 
 if __name__ == '__main__':