code: def test_multiply_layer() -> None:
      ref = ng.p.Scalar()
      x = ng.p.Scalar(5) / 5
      assert x.value == 1
      x.value = 2
      assert x.get_standardized_data(reference=ref)[0] == 10
  
imports: import pytest
  import numpy
  import nevergrad
  from nevergrad.common import testing
  import nevergrad.common.typing
  from .None import _datalayers
  from .None import helpers
label_desc: Use image node_id 5 for calling a global function with example usage: test_multiply_layer() without return types