code: def test_precision_plugin():
      from lightning.pytorch.plugins.precision.precision import (
          PrecisionPlugin,
      )
  
      with pytest.deprecated_call(
          match=r"The `PrecisionPlugin` is deprecated"
      ):
          PrecisionPlugin()
  
imports: import sys
  from unittest.mock import Mock
  import lightning.fabric
  import pytest
  import torch.nn
  from lightning.pytorch import Trainer
  from lightning.pytorch.demos.boring_classes import BoringModel
  from lightning.pytorch.plugins.precision.double import LightningDoublePrecisionModule
  from lightning.pytorch.strategies import DDPStrategy, FSDPStrategy
  from tests_pytorch.helpers.runif import RunIf
label_desc: Use image node_id 12 for calling a global function with example usage: test_precision_plugin() without return types