Store the async-await compiled pub code directly in the repo.

sdk/lib/_internal/pub_generated/test/transcript_test.dart

-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
 library version_test;
-
 import 'package:unittest/unittest.dart';
 import 'test_pub.dart';
 import '../lib/src/transcript.dart';
-
 main() {
   initConfig();
-
   test("discards from the middle once it reaches the maximum", () {
     var transcript = new Transcript<String>(4);
     forEachToString() {
       var result = "";
       transcript.forEach((entry) => result += entry, (n) => result += "[$n]");
       return result;
     }
-
     expect(forEachToString(), equals(""));
     transcript.add("a");
     expect(forEachToString(), equals("a"));
     transcript.add("b");
     expect(forEachToString(), equals("ab"));
     transcript.add("c");
     expect(forEachToString(), equals("abc"));
     transcript.add("d");
     expect(forEachToString(), equals("abcd"));
     transcript.add("e");
     expect(forEachToString(), equals("ab[1]de"));
     transcript.add("f");
     expect(forEachToString(), equals("ab[2]ef"));
   });
-
   test("does not discard if it doesn't reach the maximum", () {
     var transcript = new Transcript<String>(40);
     forEachToString() {
       var result = "";
       transcript.forEach((entry) => result += entry, (n) => result += "[$n]");
       return result;
     }
-
     expect(forEachToString(), equals(""));
     transcript.add("a");
     expect(forEachToString(), equals("a"));
     transcript.add("b");
     expect(forEachToString(), equals("ab"));
     transcript.add("c");
     expect(forEachToString(), equals("abc"));
     transcript.add("d");
     expect(forEachToString(), equals("abcd"));
     transcript.add("e");
     expect(forEachToString(), equals("abcde"));
     transcript.add("f");
     expect(forEachToString(), equals("abcdef"));
   });
-
 }