+testsuccess test -s rootdir/var/log/apt/edsp.last.xz
+sed -i -e 's#^Solver: dump$#Solver: apt#' "$APT_EDSP_DUMP_FILENAME"
+testequal "$(cat "$APT_EDSP_DUMP_FILENAME")
+" apthelper cat-file rootdir/var/log/apt/edsp.last.xz
+cp rootdir/var/log/apt/edsp.last.xz rootdir/var/log/apt/edsp.last.xz.1
+rm -f "$APT_EDSP_DUMP_FILENAME"