added test stage

Author: joshsgoldstein

jenkins/scripts/test.sh

@@ -10,7 +10,7 @@ echo 'installing this dependency, it would typically be done so using this'
 echo 'flag. For a comprehensive explanation about "devDependencies", see'
 echo 'https://stackoverflow.com/questions/18875674/whats-the-difference-between-dependencies-devdependencies-and-peerdependencies.'
 set -x
-# npm install --save-dev cross-env
+ npm install --save-dev cross-env
 set +x
 
 echo 'The following "npm" command tests that your simple Node.js/React'

package.json

@@ -10,7 +10,7 @@
   "scripts": {
     "start": "react-scripts start",
     "build": "react-scripts build",
-    "test": "react-scripts test --env=jsdom",
+    "test": "test": "cross-env CI=true react-scripts test --env=jsdom",
     "eject": "react-scripts eject"
   }
 }