Add tests for evalutating against activation records.

runtime/observatory/tests/service/test_helper.dart

Index: runtime/observatory/tests/service/test_helper.dart
diff --git a/runtime/observatory/tests/service/test_helper.dart b/runtime/observatory/tests/service/test_helper.dart
index 3dddedd351cc0760ff8cbd4df2c7b3a6bf1d72b9..ae3258717d58e410653aeecd91ec6ee6a04a8cd3 100644
--- a/runtime/observatory/tests/service/test_helper.dart
+++ b/runtime/observatory/tests/service/test_helper.dart
@@ -68,6 +68,11 @@ class _TestLauncher {
         print(line);
       });
       process.exitCode.then((exitCode) {
+        final success = 0;
+        final killed = -15;

[rmacnak, 2015/04/10 22:36:44]

This might be different on Windows...

[rmacnak, 2015/04/16 20:47:35]

Of course we can keep track of whether we killed the testee. Do that instead.

+        if (exitCode != success && exitCode != killed) {
+          throw "Testee exited with $exitCode";
+        }
         print("** Process exited");
       });
       return completer.future;