Toaster occasionally records a task which depends on itself.
Add a test which checks that a task which depends on itself
can be displayed in the task page.
[YOCTO #9952]
(Bitbake rev: b7a699e701785b5bd8da97b6e1b760a1c6dd05f5)
Signed-off-by: Elliot Smith <elliot.smith@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>