Convert existing tests to Selenium.
Add basic tests to check that the modal contains radio buttons to select
a custom image to edit when a build built multiple custom images, and
to create a new custom image from one of the images built during
the build.
[YOCTO #9123]
(Bitbake rev: c07f65feaba50b13a38635bd8149804c823d446a)
Signed-off-by: Elliot Smith <elliot.smith@intel.com>
Signed-off-by: Michael Wood <michael.g.wood@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
