Add a test configuration to cover the 'bb-env-passthrough-additions'
conf.json key, and add it to the test routine.
(Bitbake rev: 24f12b68692f9ebb5d3813bc3b1771e43298f640)
Signed-off-by: Johannes Schneider <johannes.schneider@leica-geosystems.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>