code: def test_multi_output(self):
      self.start_tests(name="multi-output")
      self.unittest(
          states=dict(
              state1=dict(
                  type="float",
                  shape=(2,),
                  min_value=-1.0,
                  max_value=2.0,
              ),
              state2=dict(
                  type="float", shape=(3,), min_value=1.0, max_value=2.0
              ),
          ),
          actions=dict(
              action1=dict(type="int", shape=(), num_values=3),
              action2=dict(type="int", shape=(), num_values=4),
          ),
          policy=dict(
              network=[
                  [
                      dict(type="retrieve", tensors=["state1"]),
                      dict(type="dense", size=16),
                      dict(type="register", tensor="action1-embedding"),
                  ],
                  [
                      dict(
                          type="retrieve",
                          tensors=["state2", "action1-embedding"],
                      ),
                      dict(type="dense", size=12),
                  ],
              ],
              single_output=False,
          ),
          baseline=dict(
              type="parametrized_value_policy",
              network=[
                  [
                      dict(type="retrieve", tensors=["state1"]),
                      dict(type="dense", size=16),
                      dict(type="register", tensor="action1-embedding"),
                  ],
                  [
                      dict(
                          type="retrieve",
                          tensors=["state2", "action1-embedding"],
                      ),
                      dict(type="dense", size=12),
                      dict(type="register", tensor="state-embedding"),
                  ],
              ],
              single_output=False,
          ),
      )
  
file_path: tensorforce/test/test_policies.py
imports: import unittest
  from test.unittest_base import UnittestBase
label_desc: Use image node_id 2 for calling the TestPolicies obj's underlying member method code with example usage: obj.test_multi_output() without return types