assertTrue(messages.hasMessageOf(property));
    }

    @Test
    public void test_addErrorsSuffix() {
        String property = "testProperty";
        FessMessages result = messages.addErrorsSuffix(property);
        assertNotNull(result);
        assertSame(messages, result);
        assertTrue(messages.hasMessageOf(property));
    }

    // Test constraint message methods without parameters

     * <pre>
     * message: &lt;/li&gt;
     * </pre>
     * @param property The property name for the message. (NotNull)
     * @return this. (NotNull)
     */
    public FessMessages addErrorsSuffix(String property) {
        assertPropertyNotNull(property);
        add(property, new UserMessage(ERRORS_SUFFIX));
        return this;
    }

    /**