First prototype of import map generator.

client/testing/unittest/unittest_vm.dart

 // Copyright (c) 2011, 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.
 
 /**
  * A simple unit test library for running tests on the VM.
  */
-#library("unittest");
+#library('unittest');
 
-#source("shared.dart");
+#import('dart:io');
+#source('shared.dart');
 
 _platformInitialize() {
   // Do nothing.
 }
 
 _platformDefer(void callback()) {
   new Timer((timer) {
     callback();
   }, 0);
 }
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   } else if (testsFailed == 0 && testsErrors == 0) {
     print('All $testsPassed tests passed.');
     success = true;
   } else {
     print('$testsPassed PASSED, $testsFailed FAILED, $testsErrors ERRORS');
   }
 
   // A non-zero exit code is used by the test infrastructure to detect failure.
   if (!success) exit(1);
 }