code: def test_get_suggestions(self):
      mock_suggest = mock.MagicMock()
      self._mock_discovery.projects().locations().studies().trials().suggest = (
          mock_suggest
      )
  
      expected_trials = [
          {
              "name": "1",
              "state": "ACTIVE",
              "parameters": [
                  {"parameter": "learning_rate", "floatValue": 0.001}
              ],
          }
      ]
      mock_suggest_lro = mock.MagicMock()
      mock_suggest_lro.return_value.execute.return_value = {
          "name": "op_name",
          "done": True,
          "response": {"trials": expected_trials},
      }
      self._mock_discovery.projects().locations().operations().get = (
          mock_suggest_lro
      )
  
      suggestions = self._client.get_suggestions("tuner_0")
      mock_suggest.assert_called_once_with(
          parent=self._trial_parent,
          body={"client_id": "tuner_0", "suggestion_count": 1},
      )
      self.assertEqual(suggestions, expected_trials)
  
imports: from googleapiclient import errors
  import httplib2
  import mock
  import tensorflow
  from tensorflow_cloud.tuner import vizier_client
label_desc: Use image node_id 7 for calling the VizierClientTest obj's underlying member method code with example usage: obj.test_get_suggestions() without return types