A tentative step into converting analyzer tests into reflective.

pkg/analyzer/test/reflective_tests.dart

 // Copyright (c) 2014, 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 reflective_tests;
 
 import 'dart:async';
 
 @MirrorsUsed(metaTargets: 'ReflectiveTestCase')
 import 'dart:mirrors';
@@ skipping 69 matching lines @@
   try {
     invocationResult = instanceMirror.invoke(symbol, []).reflectee;
   } on NoSuchMethodError catch (e) {
   }
   if (invocationResult is Future) {
     return invocationResult;
   } else {
     return new Future.value(invocationResult);
   }
 }