testsuccess aptget update
testsuccess aptget install pkgall pkgnative pkgforeign -y
-testdpkginstalled pkgall pkgnative pkgforeign
+# if we work with an old dpkg, pkgforeign will be listed differently,
+# so test with aptcache for install status instead
+testdpkginstalled pkgall pkgnative
+testsuccess aptcache show pkgforeign/installed
testequal 'Reading package lists...
Building dependency tree...