Run the JS unit tests with flutter.js. I am going to leave the dart2wasm tests doing the old `window.flutterConfiguration` setup for now, until I actually get dart2wasm/dart2js switching logic built into flutter.js itself.
Run the JS unit tests with flutter.js. I am going to leave the dart2wasm tests doing the old `window.flutterConfiguration` setup for now, until I actually get dart2wasm/dart2js switching logic built into flutter.js itself.