docstr: ...Test get_plot_support method of HawkesKernel
code: def test_get_plot_support(self):
      """...Test get_plot_support method of HawkesKernel"""
      self.assertEqual(
          self.hawkes_kernel_exp.get_plot_support(),
          self.intensity / self.decay,
      )
  
file_path: tick/tick/hawkes/simulation/tests/hawkes_kernel_test.py
imports: import unittest
  import numpy
  from tick.hawkes import HawkesKernelExp, HawkesKernelPowerLaw
label_desc: Use image node_id 4 for calling the Test obj's underlying member method code with example usage: obj.test_get_plot_support() without return types