test: add kindle init and fl tests
test: add kindle init and fl tests

Hzj-jie/koreader,NiLuJe/koreader,NiLuJe/koreader,chihyang/koreader,robert00s/koreader,Frenzie/koreader,apletnev/koreader,mwoz123/koreader,koreader/koreader,Markismus/koreader,poire-z/koreader,lgeek/koreader,mihailim/koreader,koreader/koreader,poire-z/koreader,houqp/koreader,pazos/koreader,Frenzie/koreader,NickSavage/koreader