Run check-testfd as a separate task, so that the info can be easily

collected.

scripts/xenofarm.sh

@@ -100,6 +100,7 @@ status=good
 dotask 1 "unzip" "gzip -d $BASE.tar.gz"
 dotask 1 "unpack" "tar xf $BASE.tar"
 dotask 1 "cfg" "cd $BASE && ./configure -C --prefix=$pfx $cfgargs"
+dotask 0 "fds" "cd $BASE/src/server/testsuite && make check-testfd"
 dotask 0 "id-cc" "cd $BASE && make ident-cc"
 dotask 0 "id-tx" "cd $BASE/doc && make ident-makeinfo"
 dotask 1 "make" "cd $BASE && make $makeargs"