[#6232] ticket:351 Skip tarball test if zip binary isn't found
[#6232] ticket:351 Skip tarball test if zip binary isn't found

apache/incubator-allura,heiths/allura,apache/allura,lym/allura-git,heiths/allura,apache/incubator-allura,heiths/allura,apache/incubator-allura,heiths/allura,heiths/allura,lym/allura-git,apache/allura,lym/allura-git,lym/allura-git,apache/allura,apache/incubator-allura,apache/allura,apache/allura,lym/allura-git