docstr: ...Test constructor of Poisson process
          
code: def test_poisson_constructor(self):
      """...Test constructor of Poisson process"""
      intensity = 2.9
      poisson_process = SimuPoissonProcess(intensity)
      self.assertEqual(poisson_process.intensities, intensity)
  
      intensities = np.array([1.0, 2.0, 3.3])
      poisson_process = SimuPoissonProcess(intensities)
      np.testing.assert_array_equal(
          poisson_process.intensities, intensities
      )
  
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 2 for calling the Test obj's underlying member method code with example usage: obj.test_poisson_constructor() without return types