public void test_addConstraintsModCheckMessage() {
        String property = "testProperty";
        String modType = "Modulo10";
        String value = "12345";
        FessMessages result = messages.addConstraintsModCheckMessage(property, modType, value);
        assertNotNull(result);
        assertSame(messages, result);
        assertTrue(messages.hasMessageOf(property));
    }

    // Test error message methods
    @Test

     * @param modType The parameter modType for message. (NotNull)
     * @param value The parameter value for message. (NotNull)
     * @return this. (NotNull)
     */
    public FessMessages addConstraintsModCheckMessage(String property, String modType, String value) {
        assertPropertyNotNull(property);
        add(property, new UserMessage(CONSTRAINTS_ModCheck_MESSAGE, modType, value));
        return this;
    }