[tracker-miners/sam/libav-testing: 41/46] Skip 'writeback-audio' test for ffmpeg/libav backend

[Sam Thursfield <sthursfield src gnome org>]

commit 3118ce5ad1ad0d4309aaccf5f86ac1998b41410c
Author: Sam Thursfield <sam thursfield codethink co uk>
Date:   Wed Aug 31 13:12:08 2022 +0200

    Skip 'writeback-audio' test for ffmpeg/libav backend
    
    There is no 'libav' writeback module, so this test always fails.

 tests/functional-tests/meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/tests/functional-tests/meson.build b/tests/functional-tests/meson.build
index ef4dcab65..8723c9d38 100644
--- a/tests/functional-tests/meson.build
+++ b/tests/functional-tests/meson.build
@@ -139,7 +139,7 @@ if libjpeg.found() and libgif.found() and libpng.found() and libtiff.found() and
   ]
 endif
 
-if generic_media_handler_name != 'none'
+if generic_media_handler_name == 'gstreamer'
   functional_tests += 'writeback-audio'
 endif