Add more tests related to emotes

[pajlada]

test cases: @badge-info=subscriber/53;badges=broadcaster/1,subscriber/48,partner/1;color=#CC44FF;display-name=pajlada;emotes=80481:6-10/93547:12-19;flags=;id=6259eb39-48c7-452e-889c-e9305f08cdb7;mod=0;room-id=11148817;subscriber=1;tmi-sent-ts=1589641611227;turbo=0;user-id=11148817;user-type= :[email protected] PRIVMSG #pajlada :-tags pajaW pajaCool 2 emotes, pajaW and pajaCool

@badge-info=subscriber/53;badges=broadcaster/1,subscriber/48,partner/1;color=#CC44FF;display-name=pajlada;emotes=80481:16-20/496:22-23/emotesv2_56124b6ee48c47778de1a922e93d7848:6-14;flags=;id=63cac648-b4ed-42d5-925e-8baa50dcd9bf;mod=0;room-id=11148817;subscriber=1;tmi-sent-ts=1589641615436;turbo=0;user-id=11148817;user-type= :[email protected] PRIVMSG #pajlada :-tags pajaPants pajaW :D 2 emotes, pajaPants and pajaW (pajaPants is a bit emote)

@badge-info=subscriber/53;badges=broadcaster/1,subscriber/48,partner/1;color=#CC44FF;display-name=pajlada;emotes=;flags=;id=86391c31-9efb-4ca8-86d9-79adf54c59f7;mod=0;room-id=11148817;subscriber=1;tmi-sent-ts=1589641624819;turbo=0;user-id=11148817;user-type= :[email protected] PRIVMSG #pajlada :-tags pajaW_BW no emote at all, the code is correct but it wasn't redeemed

@badge-info=subscriber/53;badges=broadcaster/1,subscriber/48,partner/1;color=#CC44FF;display-name=pajlada;emotes=300653550_TK:6-17;flags=;id=3dd37dd4-3a2c-423c-8862-2051a05e8ac2;mod=0;room-id=11148817;subscriber=1;tmi-sent-ts=1589641641791;turbo=0;user-id=11148817;user-type= :[email protected] PRIVMSG #pajlada :-tags pajaAngry_TK correctly redeemed channel point emote