Move QA scripts to the shared harness, batch 2 of 4

Each script launches and closes Chrome through scripts/qa/browser.mjs,
waits on the application through scripts/qa/ready.mjs instead of the
loading screen and fixed pauses, and reads the contract instead of
Cesium where the check is not about Cesium itself.

scripts/qa-gbfs-names.test.mjs

@@ -30,6 +30,7 @@ function fixture({ extended, dev }) {
     information: {},
     status: {},
     fromDegrees: () => ({}),
+    whenSettled: async () => {},
   };
   return new Function(
     ...Object.keys(dependencies),