code: def test_repr():
      """Test the repr method of gradient transforms."""
      assert (
          repr(qml.gradients.param_shift) == "<transform: param_shift>"
      )
      assert repr(qml.gradients.spsa_grad) == "<transform: spsa_grad>"
      assert (
          repr(qml.gradients.finite_diff) == "<transform: finite_diff>"
      )
  
imports: import pytest
  import pennylane
  from pennylane import numpy
  from pennylane.gradients.gradient_transform import _find_gradient_methods, _validate_gradient_methods, choose_trainable_params
label_desc: Use image node_id 1 for calling a global function with example usage: test_repr() without return types