Use dash instead of underscores for file names. This is coherent
with rest of file names.
Rename all tests to test-XXX and remove the spice- prefix when
present. This is coherent with most of the tests.
Signed-off-by: Frediano Ziglio <fziglio@redhat.com>
Acked-by: Pavel Grunt <pgrunt@redhat.com>
