    def test_data_collection_map_large_size(self):
        """
        target: test map() API for DataCollection 
        method: create a large size data collection and map it
        expected: return map successfully
        """
        data = 10000000
        dc = DataCollection.range(data)
        dc = dc.map(str)
        result = dc.to_list()
        assert len(result) == data
        
        return True
target: test map() API for DataCollection
method: create a large size data collection and map it
expected: return map successfully
tests/testcases/test_data_collection.py