code: def sampling_tc(self):
      self.lib.getTestBatch(
          self.test_pos_h_addr,
          self.test_pos_t_addr,
          self.test_pos_r_addr,
          self.test_neg_h_addr,
          self.test_neg_t_addr,
          self.test_neg_r_addr,
      )
      return [
          {
              "batch_h": self.test_pos_h,
              "batch_t": self.test_pos_t,
              "batch_r": self.test_pos_r,
              "mode": "normal",
          },
          {
              "batch_h": self.test_neg_h,
              "batch_t": self.test_neg_t,
              "batch_r": self.test_neg_r,
              "mode": "normal",
          },
      ]
  
imports: import os
  import ctypes
  import numpy
label_desc: Use image node_id 4 for calling the TestDataLoader obj's underlying member method code with example usage: obj.sampling_tc() and returns: list