fwupd: update test remote manifest

This change updates the manifest for the test repository to use a .cab
that has been signed by the LVFS and it is useable with fwupdmgr.

TEST=fwupdmgr update

Disallow-Recycled-Builds: test-failures
Change-Id: I3cb52948c1e514293c26efea9f6561c41bdf76cd
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosutils/+/2965583
Tested-by: Daniel Campello <campello@chromium.org>
Auto-Submit: Daniel Campello <campello@chromium.org>
Commit-Queue: Daniel Campello <campello@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
1 file changed