code: def setUp(self):
      self.random_times = np.random.rand(10)
  
file_path: tick/tick/hawkes/simulation/tests/hawkes_kernel_pickle_test.py
imports: import pickle
  import unittest
  import numpy
  from tick.base import TimeFunction
  from tick.hawkes import HawkesKernel0, HawkesKernelExp, HawkesKernelSumExp, HawkesKernelPowerLaw, HawkesKernelTimeFunc
label_desc: Use image node_id 1 for calling the Test obj's underlying member method code with example usage: obj.setUp() without return types