--- a/components/graphviz/Makefile	Thu May 21 08:56:12 2015 -0700
+++ b/components/graphviz/Makefile	Thu May 21 13:48:49 2015 -0700
@@ -109,6 +109,8 @@
 # http://graphviz.org/bugs/b2063.html
 test:		$(NO_TESTS)
 
+system-test:    $(NO_TESTS)
+
 REQUIRED_PACKAGES += image/graphviz
 REQUIRED_PACKAGES += image/library/libjpeg
 REQUIRED_PACKAGES += image/library/libpng