Add a new kind of suite to ease test.dart integration.

pkg/testing/lib/src/suite.dart

 // 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.
 
 library testing.suite;
 
 import 'chain.dart' show
     Chain;
 
+import 'test_dart.dart' show
+    TestDart;
+
 /// Records the properties of a test suite.
 abstract class Suite {
   final String name;
 
   final String kind;
 
   final Uri statusFile;
 
   Suite(this.name, this.kind, this.statusFile);
 
   factory Suite.fromJsonMap(Uri base, Map json) {
     String kind = json["kind"].toLowerCase();
     String name = json["name"];
     switch (kind) {
       case "dart":
         return new Dart.fromJsonMap(base, json, name);
 
       case "chain":
         return new Chain.fromJsonMap(base, json, name, kind);
 
+      case "test_dart":
+        return new TestDart.fromJsonMap(base, json, name, kind);
+
       default:
         throw "Suite '$name' has unknown kind '$kind'.";
     }
   }
 
   String toString() => "Suite($name, $kind)";
 }
 
 /// A suite of standalone tests. The tests are combined and run as one program.
 ///
@@ skipping 35 matching lines @@
     Uri uri = base.resolve(json["path"]);
     List<RegExp> pattern = new List<RegExp>.from(
         json["pattern"].map((String p) => new RegExp(p)));
     List<RegExp> exclude = new List<RegExp>.from(
         json["exclude"].map((String p) => new RegExp(p)));
     return new Dart(name, uri, pattern, exclude);
   }
 
   String toString() => "Dart($name, $uri, $pattern, $exclude)";
 }