dart2js: run dartfmt on tests

tests/compiler/dart2js/generate_at_use_site_test.dart

 // Copyright (c) 2012, 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.
 
 import 'dart:async';
 import 'package:expect/expect.dart';
 import 'package:async_helper/async_helper.dart';
 import 'compiler_helper.dart';
 
 const String FIB = r"""
@@ skipping 34 matching lines @@
 const String TEST = r"""
 foo(a) {
   if (a is !int) throw a;
   if (a < 0) throw a;
   return a + a;
 }
 """;
 
 main() {
   asyncTest(() => Future.wait([
-    // Make sure we don't introduce a new variable.
-    compileAndDoNotMatch(FIB, 'fib', new RegExp("var $anyIdentifier =")),
+        // Make sure we don't introduce a new variable.
+        compileAndDoNotMatch(FIB, 'fib', new RegExp("var $anyIdentifier =")),
 
-    compileAndDoNotMatch(BAR, 'bar', new RegExp("isLeaf")),
+        compileAndDoNotMatch(BAR, 'bar', new RegExp("isLeaf")),
 
-    compile(TEST, entry: 'foo', check: (String generated) {
-      Expect.isFalse(generated.contains('else'));
-      // Regression check to ensure that there is no floating variable
-      // expression.
-      Expect.isFalse(new RegExp('^[ ]*a;').hasMatch(generated));
-    }),
-  ]));
+        compile(TEST, entry: 'foo', check: (String generated) {
+          Expect.isFalse(generated.contains('else'));
+          // Regression check to ensure that there is no floating variable
+          // expression.
+          Expect.isFalse(new RegExp('^[ ]*a;').hasMatch(generated));
+        }),
+      ]));
 }