@Test
    void verifyParsingCalendar() {
        val calendar = Calendar.getInstance();
        assertNotNull(DateTimeUtils.zonedDateTimeOf(calendar));
    }
This is {@link DateTimeUtilsTests}.

@author Misagh Moayyed
@since 5.2.0
core/cas-server-core-util/src/test/java/org/apereo/cas/util/DateTimeUtilsTests.java