check for node in path

src/test/checkInstall

@@ -33,6 +33,12 @@ for script in "${scripts[@]}"; do
     fi
 done
 
+# setup_infra requires node to be in path for the root user
+if ! sudo -n "node" 2>/dev/null; then
+    echo "node is not in PATH for the root user. Create a symlink to /usr/bin/node possibly"
+    exit 1
+fi
+
 image_missing=""
 
 images=$(node -e "var i = require('${SOURCE_DIR}/src/infra_version.js'); console.log(Object.keys(i.images).map(function (x) { return i.images[x].tag; }).join('\n'));"; echo $TEST_IMAGE)