code: def generate_random_data(self, marks=()):
      return self.generate_tests(
          [
              dict(
                  n_samples=random.randint(
                      self.MIN_RANDOM, self.MAX_RANDOM
                  )
              )
          ],
          marks=marks,
      )
  
imports: import random
  from geomstats.test.data import TestData
label_desc: Use image node_id 1 for calling the LogNormalTestData obj's underlying member method code with example usage: obj.generate_random_data(marks) and returns: self