docstr: Test that the identity raised to any power is simply a single copy.
docstr_tok: ["Test","that","the","identity","raised","to","any","power","is","simply","a","single","copy","."]
code: def test_identity_pow(self, wires, n):
      """Test that the identity raised to any power is simply a single copy."""
      op = Identity(wires)
      pow_ops = op.pow(n)
      assert len(pow_ops) == 1
      assert pow_ops[0].__class__ is Identity
      assert pow_ops[0].wires == op.wires
  
file_path: pennylane/tests/ops/test_identity.py
imports: import numpy
  import pytest
  import pennylane
  from pennylane import Identity
label_desc: Use image node_id 6 for calling the TestIdentity obj's underlying member method code with example usage: obj.test_identity_pow(wires, n) without return types