code: def setUp(self):
      # Result of each coordinate would be out the confidence interval
      # with this probability
      confidence = 1e-4
      self.z = norm.ppf(1 - confidence / 2)
  
file_path: tick/tick/hawkes/simulation/tests/simu_poisson_test.py
imports: import unittest
  import numpy
  from scipy.stats import norm
  from tick.hawkes import SimuPoissonProcess
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