dart2js: run dartfmt on tests

tests/compiler/dart2js/bad_output_io_test.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.
 
 // Test that the compiler can handle imports when package root has not been set.
 
 library dart2js.test.bad_output_io;
 
 import 'dart:io' show exit;
 import 'package:expect/expect.dart';
 
-import 'package:compiler/compiler.dart'
-       show Diagnostic;
+import 'package:compiler/compiler.dart' show Diagnostic;
 import 'package:compiler/src/dart2js.dart'
-       show exitFunc, compileFunc, compile, diagnosticHandler;
+    show exitFunc, compileFunc, compile, diagnosticHandler;
 import 'package:compiler/src/source_file_provider.dart'
-       show FormattingDiagnosticHandler;
+    show FormattingDiagnosticHandler;
 
 class CollectingFormattingDiagnosticHandler
     implements FormattingDiagnosticHandler {
-
   final provider = null;
   bool showWarnings = true;
   bool showHints = true;
   bool verbose = true;
   bool isAborting = false;
   bool enableColors = false;
   bool throwOnError = false;
   var lastKind = null;
 
   final int FATAL = 0;
   final int INFO = 1;
 
   final messages = [];
 
   void info(var message, [kind]) {
-   messages.add([message, kind]);
+    messages.add([message, kind]);
   }
 
   @override
   void report(var code, Uri uri, int begin, int end, String message, kind) {
     messages.add([message, kind]);
   }
 
   @override
   void call(Uri uri, int begin, int end, String message, kind) {
     report(null, uri, begin, end, message, kind);
@@ skipping 19 matching lines @@
     CollectingFormattingDiagnosticHandler handler = diagnosticHandler;
     Expect.equals(1, handler.messages.length);
     var message = handler.messages[0];
     Expect.isTrue(message[0].contains("Cannot open file"));
     Expect.equals(Diagnostic.ERROR, message[1]);
     Expect.equals(1, exitCode);
     exit(0);
   };
   compile(["foo.dart", "--out=bar.dart"]);
 }