class_docstr: Unit-test mock environment.
  
  Args:
      states: States specification.
      actions: Actions specification.
      min_timesteps: Minimum number of timesteps.
code: def states(self):
      return self.states_spec
  
file_path: tensorforce/test/unittest_environment.py
imports: from collections import OrderedDict
  from random import random
  import numpy
  from tensorforce import Environment, TensorforceError, util
label_desc: Use image node_id 2 for calling the UnittestEnvironment obj's underlying member method code with example usage: obj.states() and returns: self