dart2js: run dartfmt on tests

tests/compiler/dart2js/expect_annotations2_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 "package:expect/expect.dart";
 import "package:async_helper/async_helper.dart";
 import 'memory_compiler.dart';
 
 const MEMORY_SOURCE_FILES = const {
-    'main.dart': '''
+  'main.dart': '''
         import 'package:expect/expect.dart';
 
         @NoInline()
         foo(y) => 49912344 + y;
 
         class A {
           var field;
 
           @NoInline()
           A([this.field = 4711]);
 
           @NoInline()
           static bar(x) => x + 123455;
 
           @NoInline()
           gee(x, y) => x + y + 81234512;
         }
 
         main() {
           print(foo(23412));
           print(A.bar(87654));
           print(new A().gee(1337, 919182));
           print(new A().field + 1);
-        }'''};
+        }'''
+};
 
 void main() {
   asyncTest(() async {
     OutputCollector collector = new OutputCollector();
     CompilationResult result = await runCompiler(
-        memorySourceFiles: MEMORY_SOURCE_FILES,
-        outputProvider: collector);
+        memorySourceFiles: MEMORY_SOURCE_FILES, outputProvider: collector);
     // Simply check that the constants of the small functions are still in the
     // output, and that we don't see the result of constant folding.
     String jsOutput = collector.getOutput('', 'js');
 
     Expect.isTrue(jsOutput.contains('49912344'));
     Expect.isTrue(jsOutput.contains('123455'));
     Expect.isTrue(jsOutput.contains('81234512'));
     Expect.isFalse(jsOutput.contains('49935756'));
     Expect.isFalse(jsOutput.contains('211109'));
     Expect.isFalse(jsOutput.contains('82155031'));
     Expect.isFalse(jsOutput.contains('4712'));
   });
 }