assertTrue(result.contains("NodeStatusRequest"));
        assertTrue(result.contains("nameTrnId=12345"));
        assertTrue(result.contains("TESTNAME"));
    }

    @Test
    void toString_withNullQuestionName_shouldHandleGracefully() {
        // Arrange
        nodeStatusRequest = new NodeStatusRequest(mockConfig, mockName);
        nodeStatusRequest.questionName = null;

        // Act