Add support for setUpAll and tearDownAll.

lib/src/runner/vm/isolate_listener.dart

 // Copyright (c) 2015, 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 test.runner.vm.isolate_listener;
 
 import 'dart:isolate';
 import 'dart:async';
 
 import 'package:stack_trace/stack_trace.dart';
@@ skipping 99 matching lines @@
       "root": _serializeGroup(_suite.group)
     });
   }
 
   /// Serializes [group] into an Isolate-safe map.
   Map _serializeGroup(Group group) {
     return {
       "type": "group",
       "name": group.name,
       "metadata": group.metadata.serialize(),
+      "setUpAll": _serializeTest(group.setUpAll),
+      "tearDownAll": _serializeTest(group.tearDownAll),
       "entries": group.entries.map((entry) {
-        if (entry is Group) return _serializeGroup(entry);
+        return entry is Group ? _serializeGroup(entry) : _serializeTest(entry);
+      }).toList()
+    };
+  }
 
-        var test = entry as Test;
-        var receivePort = new ReceivePort();
-        receivePort.listen((message) {
-          assert(message['command'] == 'run');
-          _runTest(test, message['reply']);
-        });
+  /// Serializes [test] into a JSON-safe map.
+  ///
+  /// Returns `null` if [test] is `null`.
+  Map _serializeTest(Test test) {
+    if (test == null) return null;
 
-        return {
-          "type": "test",
-          "name": test.name,
-          "metadata": test.metadata.serialize(),
-          "sendPort": receivePort.sendPort
-        };
-      }).toList()
+    var receivePort = new ReceivePort();
+    receivePort.listen((message) {
+      assert(message['command'] == 'run');
+      _runTest(test, message['reply']);
+    });
+
+    return {
+      "type": "test",
+      "name": test.name,
+      "metadata": test.metadata.serialize(),
+      "sendPort": receivePort.sendPort
     };
   }
 
   /// Runs [test] and sends the results across [sendPort].
   void _runTest(Test test, SendPort sendPort) {
     var liveTest = test.load(_suite);
 
     var receivePort = new ReceivePort();
     sendPort.send({"type": "started", "reply": receivePort.sendPort});
 
@@ skipping 18 matching lines @@
             asyncError.error, asyncError.stackTrace)
       });
     });
 
     liveTest.onPrint.listen((line) =>
         sendPort.send({"type": "print", "line": line}));
 
     liveTest.run().then((_) => sendPort.send({"type": "complete"}));
   }
 }