code: def test_is_valid_uuid(self):
      assert is_valid_uuid("123e4567-e89b-12d3-a456-426614174000")
      assert not is_valid_uuid("123e4567-e89b-12d3-a456-42661417400")
      assert not is_valid_uuid("123e4567-e89b-12d3-a456-42661417400g")
      assert not is_valid_uuid("123e4567-e89b-12d3-a456-42661417400-")
      assert not is_valid_uuid(
          "123e4567-e89b-12d3-a456-42661417400-143"
      )
  
label_desc: Use image node_id 1 for calling the TestUtils obj's underlying member method code with example usage: obj.test_is_valid_uuid() without return types