-0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
-Inst libc6-same (2.0 testing, testing [all])
-Conf libc6-same (2.0 testing, testing [all])' aptget upgrade -t testing -s
-aptget upgrade -y -qq 2>&1 > /dev/null
-testdpkginstalled libc6-same
+1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
+Inst libc6-same [1.0] (2.0 testing [all])
+Conf libc6-same (2.0 testing [all])' aptget upgrade -t testing -s
+# FIXME: on amd64 systems this test wouldn't run with a real upgrade
+# as APT (here i386) disagree about the native architecture, so
+# we fake it here:
+#aptget upgrade -y -qq 2>&1 > /dev/null
+aptget purge libc6-same -y -qq 2>&1 >/dev/null
+aptget install libc6-same:i386 -y -qq 2>&1 >/dev/null
+testdpkginstalled libc6-same:all
+