dart2js: run dartfmt on tests

tests/compiler/dart2js_native/issue9182_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.
 
 // Regression test for Issue 9182.  The generative constructor body function
 // should not have the interceptor calling convention.
 
 import "dart:_js_helper";
 import "package:expect/expect.dart";
 
@@ skipping 12 matching lines @@
     _x = x;
     _y = y;
   }
 }
 
 void setup() native r"""
 function A(){}
 makeA = function() { return new A; };
 """;
 
-makeA() native;
+makeA() native ;
 
 main() {
   setup();
 
   var things = [new Foo(), new Bar(30, 40)];
   var foo = things[0];
   var bar = things[1];
 
-  Expect.equals(123, foo.Bar());  // Ensure that Foo.Bar is used.
+  Expect.equals(123, foo.Bar()); // Ensure that Foo.Bar is used.
 
   Expect.equals(30, bar._x);
   Expect.equals(40, bar._y);
 }