docstr: Make sure two output dictionaries are the same.
docstr_tok: ["Make","sure","two","output","dictionaries","are","the","same","."]
code: def assertOutputsEqual(self, outputs_1, outputs_2):
      """Make sure two output dictionaries are the same."""
      self.assertSetEqual(set(outputs_1.keys()), set(outputs_2.keys()))
      for key in outputs_1.keys():
          self.assertAllClose(outputs_1[key], outputs_2[key])
  
imports: from absl.testing import parameterized
  from ddsp.training import nn
  import numpy
  import tensorflow.compat.v2
label_desc: Use image node_id 6 for calling the DictLayerTest obj's underlying member method code with example usage: obj.assertOutputsEqual(outputs_1, outputs_2) without return types