Check in codegen test expectations.

test/codegen/expect/language/no_main_test_01_multi.js

+dart_library.library('language/no_main_test_01_multi', null, /* Imports */[
+  'dart_sdk'
+], function load__no_main_test_01_multi(exports, dart_sdk) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const no_main_test_01_multi = Object.create(null);
+  // Exports:
+  exports.no_main_test_01_multi = no_main_test_01_multi;
+});