Fix test case for invalid FZF_DEFAULT_COMMAND
Fix test case for invalid FZF_DEFAULT_COMMAND

infokiller/fzf,stuha/wbr-zsh,janlazo/fzf,janlazo/fzf,janlazo/fzf,junegunn/fzf,infokiller/fzf,wilywampa/fzf,junegunn/fzf,wilywampa/fzf,infokiller/fzf,junegunn/fzf,wilywampa/fzf