class_docstr: Test label smoothing.
docstr: Set up the test case with a fixed random seed.
docstr_tok: ["Set","up","the","test","case","with","a","fixed","random","seed","."]
code: def setUp(self) -> None:
      """Set up the test case with a fixed random seed."""
      self.random = np.random.RandomState(seed=42)
  
imports: import unittest
  import numpy
  import torch
  import unittest_templates
  import pykeen.losses
  from pykeen.losses import Loss, NSSALoss, apply_label_smoothing
  from pykeen.pipeline import PipelineResult, pipeline
  from tests import cases
label_desc: Use image node_id 1 for calling the LabelSmoothingTest obj's underlying member method code with example usage: obj.setUp() without return types