class_docstr: Tests for DatasetTuple.
class_docstr_tok: ["Tests","for","DatasetTuple","."]
docstr: Tests that a ``DatasetTuple`` can be default-initialzed to
  an empty tuple.
docstr_tok: ["Tests","that","a","``","DatasetTuple","``","can","be","default-initialzed","to","an","empty","tuple","."]
code: def test_default_init(self):
      """Tests that a ``DatasetTuple`` can be default-initialzed to
      an empty tuple."""
      dset_tuple = DatasetTuple()
      assert dset_tuple.get_value() == tuple()
  
imports: import pytest
  from pennylane.data.attributes.tuple import DatasetTuple
label_desc: Use image node_id 3 for calling the TestDatasetTuple obj's underlying member method code with example usage: obj.test_default_init() without return types