Check in codegen test expectations.

test/codegen/expect/language/naming2_test.js

Index: test/codegen/expect/language/naming2_test.js
diff --git a/test/codegen/expect/language/naming2_test.js b/test/codegen/expect/language/naming2_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..754467ffbae33ee3b081e23df070cf197b9398ac
--- /dev/null
+++ b/test/codegen/expect/language/naming2_test.js
@@ -0,0 +1,27 @@
+dart_library.library('language/naming2_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__naming2_test(exports, dart_sdk, expect) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const expect$ = expect.expect;
+  const naming2_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  naming2_test.A = class A extends core.Object {
+    new(func) {
+      this.function = func;
+    }
+  };
+  dart.setSignature(naming2_test.A, {
+    constructors: () => ({new: dart.definiteFunctionType(naming2_test.A, [dart.dynamic])})
+  });
+  naming2_test.main = function() {
+    let a = new naming2_test.A(499);
+    expect$.Expect.equals(499, a.function);
+  };
+  dart.fn(naming2_test.main, VoidTodynamic());
+  // Exports:
+  exports.naming2_test = naming2_test;
+});