def test_no_modific(self): assert 'testa' == remove_suffix('testa', 'test')
def test_string_suffix(self): assert '' == remove_suffix('test', 'test')
def test_just_suffix(self): assert 'test' == remove_suffix('testing', 'ing')
def test_empty_string(self): assert '' == remove_suffix('', 'suffix')
def test_emptystr_unmodif(self): assert 'test' == remove_suffix('test', '')