code: def vertical_projection_correctness_test_data(self):
      return self.generate_random_data()
  
imports: from geomstats.test.data import TestData
  from .base import LevelSetTestData
  from .fiber_bundle import FiberBundleTestData
  from .quotient_metric import QuotientMetricTestData
  from .riemannian_metric import RiemannianMetricTestData
label_desc: Use image node_id 1 for calling the PreShapeSpaceBundleTestData obj's underlying member method code with example usage: obj.vertical_projection_correctness_test_data() and returns: self