class_docstr: Class for TestData objects.
code: def generate_shape_data(self, marks=()):
      data = [
          dict(n_points=n_points) for n_points in self.N_SHAPE_POINTS
      ]
      return self.generate_tests(data, marks=marks)
  
imports: import random
label_desc: Use image node_id 4 for calling the TestData obj's underlying member method code with example usage: obj.generate_shape_data(marks) and returns: self