public static final String[] HOT_KEY_LIST_DEMO =  {
           "xiaomi",
           "bitis hunter",
           "bts",
           "balo",
           "bitis hunter x",
           "tai nghe",
           "harry potter",
           "anker",
           "iphone",
           "balo nữ",
           "nguyễn nhật ánh",
           "đắc nhân tâm",
           "ipad",
           "senka",
           "tai nghe bluetooth",
           "son",
           "maybelline",
           "laneige",
           "kem chống nắng",
           "anh chính là thanh xuân của em",
   };

    public static final int [] HOT_KEY_LIST_COLOR = {
            R.color.color_green,
            R.color.color_green_1,
            R.color.color_yellow,
            R.color.color_purple,
            R.color.color_blue,
            R.color.color_yellow_1,
            R.color.color_red,
            R.color.color_blue_1,
    };

@Test
 public void testHotKeySingleWord() throws Exception {
     String keyword = "xiaomi";
     String printKeyword = "xiaomi";

     HotKey hotKey = new HotKey(keyword);
     Assert.assertEquals(printKeyword, hotKey.getFormatKeyword());
     Assert.assertEquals(keyword, hotKey.getKeyword());
     Assert.assertEquals(hotKey.getKeyword(), hotKey.getFormatKeyword());
 }

@Test
public void testHotKeyLongWord() throws Exception {
    String keyword = "bitis hunter x";
    String printKeyword = "bitis \nhunter x";

    HotKey hotKey = new HotKey(keyword);
    Assert.assertEquals(printKeyword, hotKey.getFormatKeyword());
    Assert.assertEquals(keyword, hotKey.getKeyword());
    //Keyword will not same format keyword
    Assert.assertNotEquals(hotKey.getKeyword(), hotKey.getFormatKeyword());
}