fix invalid-node test

lib/binaries.sh

@@ -18,7 +18,10 @@ install_nodejs() {
 
   echo "Downloading and installing node $version..."
   local download_url="https://s3pository.heroku.com/node/v$version/node-v$version-$os-$cpu.tar.gz"
-  curl "$download_url" --silent --fail  --retry 5 --retry-max-time 15 -o /tmp/node.tar.gz || (echo "Unable to download node $version; does it exist?" && false)
+  local code=$(curl "$download_url" --silent --fail --retry 5 --retry-max-time 15 -o /tmp/node.tar.gz --write-out "%{http_code}")
+  if [ "$code" != "200" ]; then
+    echo "Unable to download node $version; does it exist?" && false
+  fi
   tar xzf /tmp/node.tar.gz -C /tmp
   rm -rf $dir/*
   mv /tmp/node-v$version-$os-$cpu/* $dir

test/fixtures/invalid-node/package.json

@@ -9,6 +9,6 @@
   "dependencies": {
   },
   "engines": {
-    "node": "0.11.33"
+    "node": "0.11.333"
   }
 }

test/run

@@ -201,8 +201,8 @@ testConcurrencySaneMaximum() {
 
 testInvalidNode() {
   compile "invalid-node"
-  assertCaptured "Downloading and installing node 0.11.33"
-  assertCaptured "Unable to download node 0.11.33"
+  assertCaptured "Downloading and installing node 0.11.333"
+  assertCaptured "Unable to download node 0.11.333"
   assertCapturedError
 }