Print isolate properly in debug output for IsolateRunnable events.

runtime/observatory/tests/service/test_helper.dart

 // Copyright (c) 2013, 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.
 
 library test_helper;
 
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
 import 'package:observatory/service_io.dart';
@@ skipping 257 matching lines @@
     var process = new _ServiceTesteeLauncher();
     process.launch(pause_on_start, pause_on_exit,
                    pause_on_unhandled_exceptions,
                    trace_service, trace_compiler).then((port) async {
       if (mainArgs.contains("--gdb")) {
         port = 8181;
       }
       serviceWebsocketAddress = 'ws://localhost:$port/ws';
       serviceHttpAddress = 'http://localhost:$port';
       var name = Platform.script.pathSegments.last;
-      runZoned(() {
-        new WebSocketVM(new WebSocketVMTarget(serviceWebsocketAddress)).load()
-            .then((VM vm) async {
+      runZoned(() async {
+        var vm =
+            new WebSocketVM(new WebSocketVMTarget(serviceWebsocketAddress));
+        print('Loading VM...');
+        await vm.load();
+        print('Done loading VM');
 
-              // Run vm tests.
-              if (vmTests != null) {
-                var testIndex = 1;
-                var totalTests = vmTests.length;
-                for (var test in vmTests) {
-                  vm.verbose = verbose_vm;
-                  print('Running $name [$testIndex/$totalTests]');
-                  testIndex++;
-                  await test(vm);
-                }
-              }
+        // Run vm tests.
+        if (vmTests != null) {
+          var testIndex = 1;
+          var totalTests = vmTests.length;
+          for (var test in vmTests) {
+            vm.verbose = verbose_vm;
+            print('Running $name [$testIndex/$totalTests]');
+            testIndex++;
+            await test(vm);
+          }
+        }
 
-              // Run isolate tests.
-              if (isolateTests != null) {
-                var isolate = await vm.isolates.first.load();
-                var testIndex = 1;
-                var totalTests = isolateTests.length;
-                for (var test in isolateTests) {
-                  vm.verbose = verbose_vm;
-                  print('Running $name [$testIndex/$totalTests]');
-                  testIndex++;
-                  await test(isolate);
-                }
-              }
+        // Run isolate tests.
+        if (isolateTests != null) {
+          var isolate = await vm.isolates.first.load();
+          var testIndex = 1;
+          var totalTests = isolateTests.length;
+          for (var test in isolateTests) {
+            vm.verbose = verbose_vm;
+            print('Running $name [$testIndex/$totalTests]');
+            testIndex++;
+            await test(isolate);
+          }
+        }
 
-              await process.requestExit();
-            });
+        await process.requestExit();
       }, onError: (e, st) {
         process.requestExit();
         if (!_isWebSocketDisconnect(e)) {
           print('Unexpected exception in service tests: $e $st');
           throw e;
         }
       });
     });
   }
 }
@@ skipping 94 matching lines @@
         mainArgs: mainArgs,
         vmTests: tests,
         pause_on_start: pause_on_start,
         pause_on_exit: pause_on_exit,
         trace_service: trace_service,
         trace_compiler: trace_compiler,
         verbose_vm: verbose_vm,
         pause_on_unhandled_exceptions: pause_on_unhandled_exceptions);
   }
 }