code: def test_standard_validity():
      """Run standard checks with the assert_valid function."""
  
      weights = np.array([[0.1, -2.1, 1.4]])
      op = qml.RandomLayers(weights, wires=(0, 1))
      qml.ops.functions.assert_valid(op)
  
imports: import pytest
  import numpy
  import pennylane
  from pennylane import numpy
label_desc: Use image node_id 1 for calling a global function with example usage: test_standard_validity() without return types