https://bugs.gentoo.org/947003
Requires network access.
--- a/data/metainfo/meson.build
+++ b/data/metainfo/meson.build
@@ -15,7 +15,7 @@ if not get_option('network_tests')
 endif
 appstream_args += ['validate-relax', appstream_file]
 
-if appstream_util.found()
+if false
   test('Validate appstream file', appstream_util,
        args: appstream_args)
 endif