Check in codegen test expectations.

test/codegen/expect/lib/html/worker_api_test.js

Index: test/codegen/expect/lib/html/worker_api_test.js
diff --git a/test/codegen/expect/lib/html/worker_api_test.js b/test/codegen/expect/lib/html/worker_api_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..4eb1e144ee8032505796e667f073b0c53c9e1715
--- /dev/null
+++ b/test/codegen/expect/lib/html/worker_api_test.js
@@ -0,0 +1,49 @@
+dart_library.library('lib/html/worker_api_test', null, /* Imports */[
+  'dart_sdk',
+  'unittest'
+], function load__worker_api_test(exports, dart_sdk, unittest) {
+  'use strict';
+  const core = dart_sdk.core;
+  const html = dart_sdk.html;
+  const _interceptors = dart_sdk._interceptors;
+  const isolate = dart_sdk.isolate;
+  const async = dart_sdk.async;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const html_config = unittest.html_config;
+  const unittest$ = unittest.unittest;
+  const src__matcher__expect = unittest.src__matcher__expect;
+  const src__matcher__core_matchers = unittest.src__matcher__core_matchers;
+  const worker_api_test = Object.create(null);
+  let JSArrayOfString = () => (JSArrayOfString = dart.constFn(_interceptors.JSArray$(core.String)))();
+  let JSArrayOfObject = () => (JSArrayOfObject = dart.constFn(_interceptors.JSArray$(core.Object)))();
+  let dynamicTodynamic = () => (dynamicTodynamic = dart.constFn(dart.functionType(dart.dynamic, [dart.dynamic])))();
+  let dynamicTodynamic$ = () => (dynamicTodynamic$ = dart.constFn(dart.definiteFunctionType(dart.dynamic, [dart.dynamic])))();
+  let dynamicTovoid = () => (dynamicTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [dart.dynamic])))();
+  let IsolateToFuture = () => (IsolateToFuture = dart.constFn(dart.definiteFunctionType(async.Future, [isolate.Isolate])))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  worker_api_test.worker = function(message) {
+    let uri = dart.dindex(message, 0);
+    let replyTo = dart.dindex(message, 1);
+    try {
+      let url = html.Url.createObjectUrl(html.Blob.new(JSArrayOfString().of(['']), 'application/javascript'));
+      html.Url.revokeObjectUrl(url);
+      dart.dsend(replyTo, 'send', 'Hello from Worker');
+    } catch (e) {
+      dart.dsend(replyTo, 'send', dart.str`Error: ${e}`);
+    }
+
+  };
+  dart.fn(worker_api_test.worker, dynamicTodynamic$());
+  worker_api_test.main = function() {
+    html_config.useHtmlConfiguration();
+    unittest$.test('Use Worker API in Worker', dart.fn(() => {
+      let response = isolate.ReceivePort.new();
+      let remote = isolate.Isolate.spawn(worker_api_test.worker, JSArrayOfObject().of(['', response.sendPort]));
+      remote.then(async.Future)(dart.fn(_ => response.first, IsolateToFuture())).then(dart.dynamic)(dynamicTodynamic()._check(unittest$.expectAsync(dart.fn(reply => src__matcher__expect.expect(reply, src__matcher__core_matchers.equals('Hello from Worker')), dynamicTovoid()))));
+    }, VoidTodynamic()));
+  };
+  dart.fn(worker_api_test.main, VoidTodynamic());
+  // Exports:
+  exports.worker_api_test = worker_api_test;
+});