VM Service isolate listing

tests/standalone/vmservice/isolate_list_script.dart

Index: tests/standalone/vmservice/isolate_list_script.dart
diff --git a/tests/language/recursive_calls_test.dart b/tests/standalone/vmservice/isolate_list_script.dart
similarity index 54%
copy from tests/language/recursive_calls_test.dart
copy to tests/standalone/vmservice/isolate_list_script.dart
index 9a44ea6401adcd6a236707a360fca1218c00fd04..a9cc79fe9eb57d905ad569fe7950be6b425c1d3d 100644
--- a/tests/language/recursive_calls_test.dart
+++ b/tests/standalone/vmservice/isolate_list_script.dart
@@ -2,12 +2,13 @@
 // 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.
 
-import "package:expect/expect.dart";
+library isolate_list_script;
 
-int bar(x) => foo(x+1);
-int foo(x) => x > 9 ? x : bar(x);
+import 'dart:io';
 
 main() {
-  Expect.equals(foo(int.parse("1")), 10);
-}
+  print(''); // Print blank line to signal that we are ready.
 
+  // Wait until signaled from spawning test.
+  stdin.first.then((_) => exit(0));
+}