} finally {
            if (invalidCertFile != null && invalidCertFile.exists()) {
                invalidCertFile.delete();
            }
        }
    }

    @Test
    public void test_init_withNonExistentSSLCertificate() {
        setupMockConfig("localhost:9200", "", "", "/non/existent/cert.crt");

        curlHelper.init();

        // Should handle non-existent certificate gracefully