The regression was introduce with commit
a274a6a1ac ("upstream-updater: Rename record
field.")
* tests/tests/gnu-maintenance.scm: ("latest-html-release, scheme-less URIs",
"latest-html-release, no signature", "latest-html-release, signature"):
Replace upstream-updater-latest by upstream-updater-import.
Reported-by: Ricardo Wurmus <rekado@elephly.net>