code: def setUp(self):
      self.weight_path = "test_default_embedding.npy"
      self.x = np.array([[0.0, 3.0], [5.0, 9.0], [1.0, 7.0]])
  
imports: import time
  import unittest
  import numpy
  import paddle
  from pgl.utils.shared_embedding import SharedEmbedding
label_desc: Use image node_id 1 for calling the TestSharedEmebdding obj's underlying member method code with example usage: obj.setUp() without return types