class_docstr: Tests the Space class.
      
code: def _test_space(self, s, shape, low, high, dtype):
      self.assertEqual(s.shape, shape)
      self.assertEqual(s.low, low)
      self.assertEqual(s.high, high)
      self.assertEqual(s.dtype, dtype)
  
imports: import numpy
  import tensorflow
  from texar.tf.agents.agent_utils import Space
label_desc: Use image node_id 1 for calling the SpaceTest obj's underlying member method code with example usage: obj._test_space(s, shape, low, high, dtype) without return types