pkg: analysis aided cleanup

pkg/unittest/lib/unittest.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.
 
 /**
  * A library for writing dart unit tests.
  *
  * ## Installing ##
  *
  * Use [pub][] to install this package. Add the following to your `pubspec.yaml`
@@ skipping 128 matching lines @@
  * [Issue 2706](http://dartbug.com/2706)).
  *
  * [pub]: http://pub.dartlang.org
  * [pkg]: http://pub.dartlang.org/packages/unittest
  */
 library unittest;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:isolate';
-import 'dart:math' show max;
 import 'matcher.dart';
 export 'matcher.dart';
 
 import 'package:stack_trace/stack_trace.dart';
 
 import 'src/utils.dart';
 part 'src/config.dart';
 part 'src/test_case.dart';
 
 Configuration _config;
@@ skipping 705 matching lines @@
 
   if (!formatStacks) return trace;
 
   // Format the stack trace by removing everything above TestCase._runTest,
   // which is usually going to be irrelevant. Also fold together unittest and
   // core library calls so only the function the user called is visible.
   return new Trace(trace.frames.takeWhile((frame) {
     return frame.package != 'unittest' || frame.member != 'TestCase._runTest';
   })).terse.foldFrames((frame) => frame.package == 'unittest' || frame.isCore);
 }