class_docstr: Tests for the qml.is_unitary function.
docstr: Test unitary check with Prod and Sum arithmetic operations.
docstr_tok: ["Test","unitary","check","with","Prod","and","Sum","arithmetic","operations","."]
code: def test_arithmetic_ops(self, arithmetic_ops):
      """Test unitary check with Prod and Sum arithmetic operations."""
      assert qml.is_unitary(qml.prod(*arithmetic_ops))
      assert not qml.is_unitary(qml.sum(*arithmetic_ops))
  
imports: import pytest
  import pennylane
label_desc: Use image node_id 2 for calling the TestIsUnitary obj's underlying member method code with example usage: obj.test_arithmetic_ops(arithmetic_ops) without return types