Support stub-generator tests on the VM (which does not actually generate the stubs).

tools/test.dart

Index: tools/test.dart
diff --git a/tools/test.dart b/tools/test.dart
index 306566522252fa4f162e9c112c44adec23fdba65..bd759fc0c2f3c14f23888e6b6d9d11d45771fefd 100755
--- a/tools/test.dart
+++ b/tools/test.dart
@@ -13,6 +13,7 @@
 #import("../tests/isolate/test_config.dart");
 #import("../tests/language/test_config.dart");
 #import("../tests/standalone/test_config.dart");
+#import("../tests/stub-generator/test_config.dart");
 
 // TODO(ager): This activity tracking is temporary until stdout is
 // closed implicitly when nothing more can happen.
@@ -50,5 +51,7 @@ main() {
     new LanguageTestSuite(conf).forEachTest(queue.runTest, activityCompleted);
     activityStarted();
     new IsolateTestSuite(conf).forEachTest(queue.runTest, activityCompleted);
+    activityStarted();
+    new StubGeneratorTestSuite(conf).forEachTest(queue.runTest, activityCompleted);
   }
 }