test__examples.py: do not test httpserver.py because it is deleted

greentest/test__examples.py

@@ -70,7 +70,6 @@ class BaseTestServer(unittest.TestCase):
 
 
 class Test_httpserver(BaseTestServer):
-    path = 'httpserver.py'
     URL = 'http://localhost:8088'
     not_found_message = '<h1>Not Found</h1>'
 
@@ -202,5 +201,8 @@ class TestAllTested(unittest.TestCase):
         assert not untested, 'The following examples have not been tested: %s' % '\n'.join(untested)
 
 
+del Test_httpserver
+
+
 if __name__ == '__main__':
     unittest.main()