def METHOD_NAME(self, num_examples=30, num_labels=3):
    dict_dataset = self.make_mock_dataset(num_examples, num_labels)
    delim = ","
    with open(self.test_dataset_splitting_path, "w") as test_splitting_dataset_file:
        for example in dict_dataset:
            test_splitting_dataset_file.write("{}\n".format(delim.join([example["text"], example["label"]])))