Runtime reduced approx. by 3 minutes (~ 11 to 8 minutes). - Add spec@ext_image_dma_buf_import@ext_image_dma_buf_import-transcode-nv12-as-r8-gr88 crash - drop useless `.piglit-test` extend Signed-off-by: David Heidelberg <david.heidelberg@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23785>