Change the return value of setField to be in line with non-reflective assignments. Complete unwrapp…

tests/lib/lib.status

 # 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.
 
 [ $compiler == dart2js ]
 math/*: Skip
 mirrors/method_mirror_name_test: Fail # Issue 6335
 mirrors/method_mirror_properties_test: Fail # Issue 11861
 mirrors/method_mirror_returntype_test : Fail # Issue 11928
 mirrors/mirrors_test: Fail # TODO(ahe): I'm working on fixing this.
@@ skipping 80 matching lines @@
 [ $runtime == vm ]
 async/timer_not_available_test: Fail, OK # only meant to test when there is no way to
                                          # implement timer (currently only in d8)
 async/timer_isolate_test: Skip # See Issue 4997
 mirrors/native_class_test: Fail, OK # This test is meant to run in a browser.
 
 [ $runtime == vm || ($compiler == none && $runtime == drt) ]
 async/run_async3_test: Fail # _enqueueImmediate runs after Timer. http://dartbug.com/9001.
 mirrors/library_metadata_test: Fail # http://dartbug.com/10906
 mirrors/superclass_test: Fail # http://dartbug.com/11142
-mirrors/reflect_model_test: Fail # http://dartbug.com/11219
 mirrors/parameter_test: Fail # http://dartbug.com/11567
-mirrors/top_level_accessors_test: Fail # http://dartbug.com/11943
 mirrors/operator_test: Fail # http://dartbug.com/11944
 
 [ $compiler == none && $runtime == drt ]
 async/timer_isolate_test: Skip # See Issue 4997
 async/timer_not_available_test: Skip # only meant to test when there is no way to
                                      # implement timer (currently only in d8)
 mirrors/library_uri_io_test: Skip # Not intended for drt as it uses dart:io.
 async/run_async6_test: Fail # Issue 10910
 
 [ $compiler == none && $runtime == drt && $system == windows ]
 async/multiple_timer_test: Fail, Pass # See Issue 10982
 async/timer_test: Fail, Pass # See Issue 10982
 
 [ $arch == mips ]
 *: Skip
 
 [ $arch == simmips ]
 typed_data/float32x4_unbox_regress_test: Crash # Unimplemented
 typed_data/float32x4_unbox_phi_test: Crash # Unimplemented
 typed_data/float32x4_list_test: Crash # Unimplemented
 typed_data/float32x4_test: Crash # Unimplemented
 typed_data/float32x4_shuffle_test: Crash # Unimplemented
 typed_data/float32x4_two_arg_shuffle_test: Crash # Unimplemented