add failing javascriptcore test

Cannot access 'NaN' before initialization

tests/online/javascriptcore/test.js

@@ -0,0 +1,8 @@
+import { delay } from '../../../dist/tests/test-utils.cjs'
+
+export default async function test(analyser) {
+    const url = 'https://mbbill.github.io/JSC.js/demo/index.html'
+    const page = await analyser.start(url)
+    await delay(10000)
+    return await analyser.stop()
+}

tests/run-tests.cts

@@ -178,7 +178,8 @@ async function runOnlineTests(names: string[]) {
     'funky-kart',
     'ffmpeg',
     'sandspiel',
-    'image-convolute'
+    'image-convolute',
+    'javascriptcore',
   ]
   names = names.filter((n) => !filter.includes(n))
   for (let name of names) {
@@ -370,4 +371,4 @@ async function testWebPage(testPath: string): Promise<TestReport> {
     await runOnlineTests(testNames)
   }
   // process.stdout.write(`done running ${nodeTestNames.length + webTestNames.length} tests\n`);
-})()
+})()