class_docstr: Tests for the qml.is_unitary function.
docstr: Test that all the non-parametric ops are unitary.
docstr_tok: ["Test","that","all","the","non-parametric","ops","are","unitary","."]
code: def test_unitary_ops(self, op):
      """Test that all the non-parametric ops are unitary."""
      assert qml.is_unitary(op)
  
imports: import pytest
  import pennylane
label_desc: Use image node_id 1 for calling the TestIsUnitary obj's underlying member method code with example usage: obj.test_unitary_ops(op) without return types