@Ignore("1665 emoji still has not been added")
    @Test
    public void checkEmojiExisting() {
        assertTrue("Asserting for emoji: " + emoji, EmojiManager.isEmoji(emoji));
    }
Test that checks emoji json.
<p>
    Currently contains checks for:
    <ul>
        <li>Unicode emoji presents in json</li>
        <li>Right fitzpatric flag for emoji</li>
    </ul>

<p>
    The test data is taken from: <a href="http://unicode.org/Public/emoji/4.0/emoji-test.txt">Unicode test data</a>
    related to unicode 9.0
src/test/java/com/vdurmont/emoji/EmojiJsonTest.java