code: def basis_cardinality_test_data(self):
      return None
  
imports: from .complex_manifold import ComplexManifoldTestData
  from .manifold import ManifoldTestData
  from .mixins import ProjectionMixinsTestData
label_desc: Use image node_id 1 for calling the VectorSpaceTestData obj's underlying member method code with example usage: obj.basis_cardinality_test_data() and returns: None