Handle top-level getters and setters in parts.

pkg/front_end/test/fasta/testing.json

 {
 "":"Copyright (c) 2016, 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.md file.",
 
   "packages": "../../../../.packages",
 
   "suites": [
 
     {
@@ skipping 32 matching lines @@
       "name": "outline",
       "kind": "Chain",
       "source": "outline_test.dart",
       "path": "./",
       "status": "outline.status",
       "pattern": [
         "\\.dart$"
       ],
       "exclude": [
         "/test/.*_test\\.dart$",
-        "/test/.*_suite\\.dart$"
+        "/test/.*_suite\\.dart$",
+        "/test/fasta/top_level_accessors_part\\.dart$"

[ahe, 2017/02/14 14:49:46]

I've filed a bug to track this: https://github.com/dart-lang/sdk/issues/28767

       ]
     },
 
     {
       "name": "compile",
       "kind": "Chain",
       "source": "compile_test.dart",
       "path": "./",
       "status": "compile.status",
       "pattern": [
         "\\.dart$"
       ],
       "exclude": [
         "/test/.*_test\\.dart$",
-        "/test/.*_suite\\.dart$"
+        "/test/.*_suite\\.dart$",
+        "/test/fasta/top_level_accessors_part\\.dart$"
       ]
     },
 
     {
       "name": "kompile",
       "kind": "Chain",
       "source": "kompile_test.dart",
       "path": "./",
       "status": "kompile.status",
       "pattern": [
         "\\.dart$"
       ],
       "exclude": [
         "/test/.*_test\\.dart$",
-        "/test/.*_suite\\.dart$"
+        "/test/.*_suite\\.dart$",
+        "/test/fasta/top_level_accessors_part\\.dart$"
       ]
     },
 
     {
       "name": "language",
       "kind": "Chain",
       "source": "sdk_test.dart",
       "path": "../../../../tests/language/",
       "status": "language.status",
       "process-multitests": true,
@@ skipping 57 matching lines @@
       "sdk_test.dart",
       "../../../../utils/kernel-service/kernel-service.dart"
     ],
 
     "exclude": [
       "/third_party/pkg/",
       "/pkg/analyzer/"
     ]
   }
 }