assertNotNull(retention);
        assertEquals(java.lang.annotation.RetentionPolicy.RUNTIME, retention.value());
    }

    // Test annotation is documented
    @Test
    public void test_annotationDocumented() {
        java.lang.annotation.Documented documented = CronExpression.class.getAnnotation(java.lang.annotation.Documented.class);
        assertNotNull(documented);
    }