Unit test changes:

pkg/unittest/lib/src/interfaces.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.
 
 part of matcher;
 
 // To decouple the reporting of errors, and allow for extensibility of
 // matchers, we make use of some interfaces.
 
 /**
@@ skipping 61 matching lines @@
    * A few matchers make use of the [verbose] flag to provide detailed
    * information that is not typically included but can be of help in
    * diagnosing failures, such as stack traces.
    */
   Description describeMismatch(item, Description mismatchDescription,
       MatchState matchState, bool verbose);
 }
 
 /**
  * Failed matches are reported using a default IFailureHandler.
- * The default implementation simply throws ExpectExceptions;
+ * The default implementation simply throws [TestFailure]s;
  * this can be replaced by some other implementation of
  * IFailureHandler by calling configureExpectHandler.
  */
 abstract class FailureHandler {
   /** This handles failures given a textual decription */
   void fail(String reason);
 
   /**
    * This handles failures given the actual [value], the [matcher]
    * the [reason] (argument from [expect]), some additonal [matchState]
    * generated by the [matcher], and a verbose flag which controls in
    * some cases how much [matchState] information is used. It will use
    * these to create a detailed error message (typically by calling
    * an [ErrorFormatter]) and then call [fail] with this message.
    */
   void failMatch(actual, Matcher matcher, String reason,
                  MatchState matchState, bool verbose);
 }