--- a/components/python/zope-interface/Makefile Thu May 21 08:56:12 2015 -0700
+++ b/components/python/zope-interface/Makefile Thu May 21 13:48:49 2015 -0700
@@ -68,4 +68,6 @@
test: $(TEST_32_and_64)
+system-test: $(SYSTEM_TESTS_NOT_IMPLEMENTED)
+
REQUIRED_PACKAGES += system/library