class_docstr: Test inputs and pre-processing.
class_docstr_tok: ["Test","inputs","and","pre-processing","."]
docstr: Tests that the id attribute can be set.
docstr_tok: ["Tests","that","the","id","attribute","can","be","set","."]
code: def test_id(self):
      """Tests that the id attribute can be set."""
      template = qml.DisplacementEmbedding(
          np.array([1, 2]), wires=[0, 1], id="a"
      )
      assert template.id == "a"
  
imports: import pytest
  import numpy
  from pennylane import numpy
  import pennylane
label_desc: Use image node_id 4 for calling the TestInputs obj's underlying member method code with example usage: obj.test_id() without return types