Format all tests.

tests/isolate/error_at_spawnuri_test.dart

 // Copyright (c) 2015, 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.
 //
 // OtherScripts=error_at_spawnuri_iso.dart
 
 library error_at_spawnuri;
 
 import "dart:isolate";
 import "dart:async";
 import "package:async_helper/async_helper.dart";
 import "package:expect/expect.dart";
 
-main(){
+main() {
   asyncStart();
 
   // Capture errors from other isolate as raw messages.
   RawReceivePort errorPort = new RawReceivePort();
   errorPort.handler = (message) {
     String error = message[0];
     String stack = message[1];
     Expect.equals(new ArgumentError("fast error").toString(), "$error");
     errorPort.close();
     asyncEnd();
   };
-  
-  Isolate.spawnUri(Uri.parse("error_at_spawnuri_iso.dart"), [],
-                   null,
-                   // Setup handler as part of spawn.
-                   errorsAreFatal: false,
-                   onError: errorPort.sendPort);
+
+  Isolate.spawnUri(Uri.parse("error_at_spawnuri_iso.dart"), [], null,
+      // Setup handler as part of spawn.
+      errorsAreFatal: false,
+      onError: errorPort.sendPort);
 }