code: def setUp(self):
      super().setUp()
      gin.clear_config()
  
imports: import collections
  from absl.testing import parameterized
  import gin
  import jax.numpy
  import numpy
  from tensorflow import test
  from trax import fastmath
label_desc: Use image node_id 1 for calling the BackendTest obj's underlying member method code with example usage: obj.setUp() without return types