@Override
    public void destroy() {
        if (this.sqsClient != null) {
            try {
                this.sqsClient.shutdown();
            } catch (Exception e) {
                log.error("Failed to shutdown SQS client during destroy()", e);
            }
        }
    }
@Test
    void givenSqsClientIsNull_whenDestroy_thenVerifyNoInteractions() {
        ReflectionTestUtils.setField(node, "sqsClient", null);
        node.destroy();
        then(sqsClientMock).shouldHaveNoInteractions();
    }