code: def test_simple_rand(self):
      x = Tensor.rand(1, 12, 128, 256)
      w = Tensor.rand(32, 12, 3, 3)
      x.conv2d(w, stride=(2, 2), padding=(1, 1)).numpy()
  
file_path: tinygrad/test/test_conv.py
imports: import unittest
  import numpy
  from tinygrad.tensor import Tensor, Device
label_desc: Use image node_id 2 for calling the TestConv obj's underlying member method code with example usage: obj.test_simple_rand() without return types