Check in codegen test expectations.

test/codegen/expect/language/top_level_method_test.js

Index: test/codegen/expect/language/top_level_method_test.js
diff --git a/test/codegen/expect/language/top_level_method_test.js b/test/codegen/expect/language/top_level_method_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..ef2670566181fb6383518d9e3b8355ca745e86a8
--- /dev/null
+++ b/test/codegen/expect/language/top_level_method_test.js
@@ -0,0 +1,31 @@
+dart_library.library('language/top_level_method_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__top_level_method_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 top_level_method_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  top_level_method_test.untypedTopLevel = function() {
+    return 1;
+  };
+  dart.fn(top_level_method_test.untypedTopLevel, VoidTodynamic());
+  top_level_method_test.TopLevelMethodTest = class TopLevelMethodTest extends core.Object {
+    static testMain() {
+      expect$.Expect.equals(1, top_level_method_test.untypedTopLevel());
+    }
+  };
+  dart.setSignature(top_level_method_test.TopLevelMethodTest, {
+    statics: () => ({testMain: dart.definiteFunctionType(dart.void, [])}),
+    names: ['testMain']
+  });
+  top_level_method_test.main = function() {
+    top_level_method_test.TopLevelMethodTest.testMain();
+  };
+  dart.fn(top_level_method_test.main, VoidTodynamic());
+  // Exports:
+  exports.top_level_method_test = top_level_method_test;
+});