Added a unit test to assert the correct behaviour of FLAG_SPACESYMBOL from waitkey
Added a unit test to assert the correct behaviour of FLAG_SPACESYMBOL from waitkey

mathall/libtermkey,o11c/libtermkey,pjanouch/termo,neovim/libtermkey,o11c/libtermkey,neovim/libtermkey,mathall/libtermkey