diff --git a/test/TestSites/project.json b/test/TestSites/project.json
index d2f4f1a99e..e3bbecbe60 100644
--- a/test/TestSites/project.json
+++ b/test/TestSites/project.json
@@ -31,7 +31,10 @@
     "net451": { }
   },
   "runtimes": {
+    "win7-x64": { },
     "win7-x86": { },
-    "win7-x64": { }
+    "osx.10.10-x64": { },
+    "ubuntu.14.04-x64": { },
+    "ubuntu.15.04-x64": { }
   }
 }