Add an automated test to exercise that fetching a git: recipe...
1) works over git without mirrors
2) fails without git connectivity or mirrors
3) works without git connectivity but with a mirror
(2) is done by setting GIT_PROXY_COMMAND to 'false' which should break any git
network operations.
[ YOCTO #12805 ]
(From OE-Core rev: 13269dfbbc62faef32595343dc78250fdb2a2946)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
