code: def test_ornstein_uhlenbeck(self):
      self.start_tests(name="ornstein-uhlenbeck")
  
      exploration = dict(type="ornstein_uhlenbeck", absolute=True)
      self.float_unittest(exploration=exploration)
  
file_path: tensorforce/test/test_parameters.py
imports: import unittest
  from test.unittest_base import UnittestBase
label_desc: Use image node_id 7 for calling the TestParameters obj's underlying member method code with example usage: obj.test_ornstein_uhlenbeck() without return types