Format all tests.

tests/corelib/regexp/overflow_test.dart

 // Copyright (c) 2014, the Dart project authors. All rights reserved.
 // Copyright 2013 the V8 project authors. All rights reserved.
 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions
 // are met:
 // 1.  Redistributions of source code must retain the above copyright
 //     notice, this list of conditions and the following disclaimer.
 // 2.  Redistributions in binary form must reproduce the above copyright
 //     notice, this list of conditions and the following disclaimer in the
 //     documentation and/or other materials provided with the distribution.
 //
 // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 import 'v8_regexp_utils.dart';
 import 'package:expect/expect.dart';
 
 void main() {
-  description("This test checks expressions with alternative lengths of appox. 2^31.");
+  description(
+      "This test checks expressions with alternative lengths of appox. 2^31.");
 
   var regexp1 = new RegExp(r"(?:(?=g))|(?:m).{2147483648,}");
   shouldBeNull(regexp1.firstMatch(''));
 
   var regexp2 = new RegExp(r"(?:(?=g)).{2147483648,}");
   shouldBeNull(regexp2.firstMatch(''));
 
-  var s3 = r"&{6}u4a64YfQP{C}u88c4u5772Qu8693{4294967167}u85f2u7f3fs((uf202){4})u5bc6u1947";
+  var s3 =
+      r"&{6}u4a64YfQP{C}u88c4u5772Qu8693{4294967167}u85f2u7f3fs((uf202){4})u5bc6u1947";
   var regexp3 = new RegExp(s3);
   shouldBeNull(regexp3.firstMatch(s3));
 
   var regexp4 = new RegExp(r"[^a$]{4294967295}");
   shouldBeNull(regexp4.firstMatch(s3));
 }