tests(integration): Tests to verify broke homedir
tests(integration): Tests to verify broke homedir

To fix #11 (https://github.com/brianp/muxed/issues/11) quotes were added to the
change directory command as such: `cd "~/my_dir"`. This addressed a problem of dirs
with spaces. But causes a problem with `~/`.

brianp/muxed,brianp/muxed