ROOTDIR="$(readlink -f rootdir)"
testsuccessequal "CONFIG='apt.conf'" aptconfig shell CONFIG Dir::Etc::main
testsuccessequal "CONFIG='${ROOTDIR}/etc/apt/apt.conf'" aptconfig shell CONFIG Dir::Etc::main/f
-testsuccessequal "CONFIG='etc/apt/'" aptconfig shell CONFIG Dir::Etc
+testsuccessequal "CONFIG='etc/apt'" aptconfig shell CONFIG Dir::Etc
testsuccessequal "CONFIG='${ROOTDIR}/etc/apt/'" aptconfig shell CONFIG Dir::Etc/ # old style
testsuccessequal "CONFIG='${ROOTDIR}/etc/apt/'" aptconfig shell CONFIG Dir::Etc/d