+ File not found
+Err file: unstable Release
+ File not found
+W: The repository 'file: unstable Release' does not have a Release file. This is deprecated, please contact the owner of the repository.
+E: Use --allow-insecure-repositories to force the update" aptget update --no-allow-insecure-repositories
+
+# no package foo
+testequal "Listing..." apt list foo
+testequal "partial" ls rootdir/var/lib/apt/lists
+
+# allow override
+testequal "Ign file: unstable InRelease
+ File not found