To make the content and sidebar "loser" components fail, you must set
some environment variables. 

To pick where the component will fail, set either
NAUTILUS_CONTENT_LOSER_PLACE or NAUTILUS_SIDEBAR_LOSER_PLACE to one of
the following values:

pre-init
post-init
post-factory-init
pre-make-object
post-make-object
pre-underway
pre-load
pre-done
post-done
pre-merge
post-merge


Also set either NAUTILUS_CONTENT_LOSER_MODE or
NAUTILUS_SIDEBAR_LOSER_MODE to one of:

hang
exit
error-exit