def string(self, column, length=255):
        return self._add_column('string', column, length=length)
Test for creating Base64 image in the server side
dataset/ETHPy150Open sdispater/orator/orator/schema/blueprint.py/Blueprint.string--crossover with--dataset/ETHPy150Open Hipo/drf-extra-fields/tests/test_fields.py/Base64ImageSerializerTests.test_create_with_base64_prefix