// Verify SSL socket factory is not set
        SSLSocketFactory sslSocketFactory = getSSLSocketFactory(curlHelper);
        assertNull(sslSocketFactory);
    }

    public void test_init_withInvalidSSLCertificate() {
        // Create a temporary invalid certificate file
        File invalidCertFile = null;
        try {
            invalidCertFile = File.createTempFile("invalid_cert", ".crt");