<s> import os <EOL> from unittest import TestCase <EOL> class Tester ( TestCase ) : <EOL> def __init__ ( self , * argv , ** kwargs ) : <EOL> super ( Tester , self ) . __init__ ( * argv , ** kwargs ) <EOL> def setUp ( self ) : <EOL> pass <EOL> def tearDown ( self ) : <EOL> if hasattr ( self , '<STR_LIT>' ) : <EOL> try : <EOL> for node in self . cluster . nodelist ( ) : <EOL> self . assertListEqual ( node . grep_log_for_errors ( ) , [ ] ) <EOL> finally : <EOL> test_path = self . cluster . get_path ( ) <EOL> self . cluster . remove ( ) <EOL> if os . path . exists ( test_path ) : <EOL> os . remove ( test_path ) </s>
