When running tests there are many invocations of grub-shell, and because
the output files are all random names in the same tmp directory, it
becomes more work to figure out which files went with which grub-shell
invocations. So all generated files from one invocation of grub-shell
are put into a randomly named directory, so as not to collide with other
grub-shell invocations. And now that the generated files can be put in
a location where they will not get stepped on, and they can be named
sensible names.
Signed-off-by: Glenn Washburn <development@efficientek.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
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