code: def test_bandit_bounds(self):
      space = [
          {
              "name": "var_4",
              "type": "bandit",
              "domain": np.array([[-2], [0], [2]]),
          }
      ]
  
      design_space = Design_space(space)
      bounds = design_space.get_bounds()
  
      # Bandit variable bound
      self.assertIn((-2, 2), bounds)
  
imports: import numpy
  import unittest
  from GPyOpt.core.task.space import Design_space
  from GPyOpt.core.task.variables import BanditVariable, DiscreteVariable, CategoricalVariable, ContinuousVariable
  from GPyOpt.core.errors import InvalidConfigError
label_desc: Use image node_id 12 for calling the TestDesignSpace obj's underlying member method code with example usage: obj.test_bandit_bounds() without return types