@Test
    void verifyOperation() throws Throwable {
        try (val out = new ByteArrayOutputStream()) {
            val result = QRUtils.generateQRCode("test", 16, 16);
            assertNotNull(EncodingUtils.decodeBase64(result));
        }
    }
This is {@link QRUtilsTests}.

@author Misagh Moayyed
@since 6.3.0
support/cas-server-support-otp-mfa/src/test/java/org/apereo/cas/otp/util/QRUtilsTests.java