These test cases are run by the autobuilder on a machine specific basis.
Add tags to these classes so they can be controlled by the metadata rather
than hardcoded in the autobuilder config.
(From OE-Core rev: de0b761b550d591f301ee5e9c232e0d5bd1342f2)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>