constraints.Max.message = {item} harus kurang dari atau sama dengan {value}.
constraints.Min.message = {item} harus lebih dari atau sama dengan {value}.
constraints.NotNull.message = {item} wajib diisi.
constraints.Null.message = {item} harus null.
constraints.Past.message = {item} harus berupa nilai masa lalu.
constraints.Pattern.message = {item} tidak cocok dengan "{regexp}".

        // Execute
        OptionalThing<Locale> result = provider.findBusinessLocale(null, mockRequestManager);

        // Verify
        assertTrue(result.isPresent());
        assertEquals(Locale.JAPAN, result.get());
    }

    // Test findBusinessLocale with language only (no country)
    @Test
    public void test_findBusinessLocale_withLanguageOnly() {
        // Setup mock config

        assertTrue(labelTypeHelper.matchLocale(Locale.ROOT, Locale.ROOT));
        assertTrue(labelTypeHelper.matchLocale(Locale.ENGLISH, Locale.ENGLISH));
        assertTrue(labelTypeHelper.matchLocale(Locale.JAPAN, Locale.JAPANESE));
        assertTrue(labelTypeHelper.matchLocale(Locale.SIMPLIFIED_CHINESE, Locale.CHINESE));
        assertTrue(labelTypeHelper.matchLocale(Locale.TRADITIONAL_CHINESE, Locale.CHINESE));
    }

    @Test