There were no tests that verified the value of origvalue in the callback
routines used by edit_metadata(). This patch adds one for a simple
multiline variable.
(Bitbake rev: ece3a4d02d8162dee78c2062c10291b5fd625c36)
Signed-off-by: Randy Witt <randy.e.witt@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>