def test_find_best_literal_from_variable_1(self):
df = pd.read_csv('tests/test_files/testfile_4.csv',
encoding='utf-8',
delimiter=';')
ds = BitmapDataset(0, df)
literal, foil = ds.find_best_literal_from_variable(1, 32, 32, list())
self.assertEqual("[[1, 0]]", str(literal))