docstr: ...Test HawkesKernelExp intensity
          
code: def test_HawkesKernelExp_intensity(self):
      """...Test HawkesKernelExp intensity"""
      self.assertEqual(self.hawkes_kernel_exp.intensity, self.intensity)
  
file_path: tick/tick/hawkes/simulation/tests/hawkes_kernel_exp_test.py
imports: import unittest
  from tick.hawkes import HawkesKernelExp
label_desc: Use image node_id 3 for calling the Test obj's underlying member method code with example usage: obj.test_HawkesKernelExp_intensity() without return types