code: def test_bool_invalid(self):
      for sp in (scipy.sparse, sparse):
          s = self.dummy_class(sp)(shape=(2, 1))
          with pytest.raises(ValueError):
              bool(s)
  
file_path: cupy/tests/cupyx_tests/scipy_tests/sparse_tests/test_base.py
imports: import unittest
  import pytest
  from cupy import testing
  from cupyx.scipy import sparse
label_desc: Use image node_id 6 for calling the TestSpmatrix obj's underlying member method code with example usage: obj.test_bool_invalid() without return types