Format all tests.

tests/language_strong/await_exceptions_test.dart

 // Copyright (c) 2014, 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.
 
 // VMOptions=--optimization-counter-threshold=5
 
 import 'package:expect/expect.dart';
 import "package:async_helper/async_helper.dart";
 
 import 'dart:async';
@@ skipping 15 matching lines @@
 }
 
 test1_1() async {
   throw 1;
 }
 
 test1_2() async {
   try {
     await test1_1();
   } catch (e) {
-    throw e+1;
+    throw e + 1;
   }
 }
 
 test1() async {
   try {
     await test1_2();
   } catch (e) {
     Expect.equals(2, e);
   }
 }
@@ skipping 37 matching lines @@
 foo() {
   throw "Error";
 }
 
 awaitFoo() async {
   await foo();
 }
 
 main() {
   asyncStart();
-  test().then((_) => awaitFoo().then(
-          (_) => Expect.fail("Should have thrown"),
+  test()
+      .then((_) => awaitFoo().then((_) => Expect.fail("Should have thrown"),
           onError: (error) => Expect.equals("Error", error)))
       .whenComplete(asyncEnd);
 }