code: def test_column_parallel():
      spawn_for_all_world_sizes(
          run_test_column_parallel_linear, deterministic=True
      )
  
file_path: fairscale/tests/nn/model_parallel/test_layers.py
imports: import os
  import pytest
  import torch
  import torch.nn.init
  from torch.nn.parameter import Parameter
  from fairscale.fair_dev.testing.testing import dist_init, set_random_seed, spawn_for_all_world_sizes
  from fairscale.nn.model_parallel import initialize
  from fairscale.nn.model_parallel import layers
label_desc: Use image node_id 7 for calling a global function with example usage: test_column_parallel() without return types