code: def create_artifacts(self, uri_prefix: str, n: int):
      return [
          test_utils.DummyArtifact(uri=uri_prefix + str(i))
          for i in range(1, n + 1)
      ]
  
file_path: tfx/tfx/dsl/input_resolution/ops/unnest_op_test.py
imports: import tensorflow
  from tfx.dsl.input_resolution import resolver_function
  from tfx.dsl.input_resolution import resolver_op
  from tfx.dsl.input_resolution.ops import ops
  from tfx.dsl.input_resolution.ops import test_utils
  from tfx.orchestration.portable.input_resolution import exceptions
label_desc: Use image node_id 1 for calling the UnnestOpTest obj's underlying member method code with example usage: obj.create_artifacts(uri_prefix, n) and returns: unknown