code: def test_zero_model(self):
      model = Linear(3, 1)
      init.constant_(model.weight, 0)
      init.constant_(model.bias, 0)
      optim = torch.optim.SGD(model.parameters(), lr=0.01)
  
      trial = torchbearer.Trial(model, optim, loss)
      trial.with_test_data(torch.rand(10, 3), batch_size=3)
      preds = trial.predict()
  
      for i in range(len(preds)):
          self.assertAlmostEqual(preds[i], 0)
  
imports: import unittest
  import torch
  from torch.nn import Module, Linear
  import torch.nn.init
  import torchbearer
  from torchbearer import callbacks
label_desc: Use image node_id 3 for calling the TestEndToEnd obj's underlying member method code with example usage: obj.test_zero_model() without return types