Add test_runner.dart to Dart version of test scripts. Include TestRunnerTest unit test.

tests/standalone/src/TimeoutTest.dart

Index: tests/standalone/src/TimeoutTest.dart
diff --git a/tests/standalone/src/TimeoutTest.dart b/tests/standalone/src/TimeoutTest.dart
new file mode 100644
index 0000000000000000000000000000000000000000..577106ffc413a3eb504258793101e27a3fc383d1
--- /dev/null
+++ b/tests/standalone/src/TimeoutTest.dart
@@ -0,0 +1,9 @@
+// Copyright (c) 2011, 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.
+
+
+// A test that runs forever.
+void main() {

[Søren Gjesse, 2011/11/04 09:05:34]

I don't like busy-looping just to test timeout. How about making a test which
misses closing a port to cause the timeout.

[Bill Hesse, 2011/11/04 14:49:22]

Done.

+  while (true) { }
+}