code: def test_temporal_localization_model_loss_function(
      self, cls_loss_type, box_loss_type, output_per_class_displacements
  ):
      config = ml_collections.ConfigDict(
          {
              "classification_loss_type": cls_loss_type,
              "box_loss_type": box_loss_type,
              "output_per_class_displacements": output_per_class_displacements,
          }
      )
      model = MockTemporalLocalizationModel(config)
      batch_size, num_frames, num_classes = 2, 8, 10
      if output_per_class_displacements:
          logits = np.ones(
              (batch_size, num_frames, num_classes * 3),
              dtype=np.float32,
          )
      else:
          logits = np.ones(
              (batch_size, num_frames, num_classes + 2),
              dtype=np.float32,
          )
      batch = {
          "batch_mask": np.ones((batch_size), dtype=np.int32),
          "inputs": {
              "input_mask": np.ones(
                  (batch_size, num_frames), dtype=np.int32
              ),
          },
          "label": np.zeros(
              (batch_size, num_frames, num_classes), dtype=np.int32
          ),
          "displacements": np.zeros(
              (batch_size, num_frames, num_classes, 2), dtype=np.float32
          ),
      }
      if output_per_class_displacements:
          batch["displacements"] = np.zeros(
              (batch_size, num_frames, num_classes, 2), dtype=np.float32
          )
      else:
          batch["displacements"] = np.zeros(
              (batch_size, num_frames, 2), dtype=np.float32
          )
      batch["label"][..., 0] = 1
      loss = model.loss_function(logits, batch)
      self.assertGreater(loss, 0.0)
  
imports: from absl.testing import absltest
  from absl.testing import parameterized
  from flax import jax_utils
  import jax
  import ml_collections
  import numpy
  from scenic.projects.unloc import temporal_localization_base_model
label_desc: Use image node_id 6 for calling the TemporalLocalizationBaseModelTest obj's underlying member method code with example usage: obj.test_temporal_localization_model_loss_function(cls_loss_type, box_loss_type, output_per_class_displacements) without return types