<s> from django . test import TestCase <EOL> from guardian . checks import check_settings <EOL> class SystemCheckTestCase ( TestCase ) : <EOL> def test_checks ( self ) : <EOL> """<STR_LIT>""" <EOL> self . assertFalse ( check_settings ( None ) ) <EOL> with self . settings ( <EOL> AUTHENTICATION_BACKENDS = ( <EOL> '<STR_LIT>' , ) , <EOL> ) : <EOL> self . assertEqual ( len ( check_settings ( None ) ) , <NUM_LIT:1> ) </s>
