Following the instructions located here: https://shopify.dev/tutorials/build-a-shopify-app-with-node-and-react
Using code located here: https://github.com/Shopify/shopify-demo-app-node-react
App installs, test charge email fires and makes it to the inbox. App never loads. It infinitely loops back to the test charge approval screen. It'd be really awesome if the tools worked and the docs were updated when code/process changes.