Get rid of minified tests.

test/core_matchers_test.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.
 
 library matcher.core_matchers_test;
 
 import 'package:matcher/matcher.dart';
 import 'package:unittest/unittest.dart' show test, group;
 
 import 'test_utils.dart';
@@ skipping 169 matching lines @@
     shouldPass('cow', new isInstanceOf<String>('String'));
   });
 
   group('Predicate Matchers', () {
     test('isInstanceOf', () {
       shouldFail(0, predicate((x) => x is String, "an instance of String"),
           "Expected: an instance of String Actual: <0>");
       shouldPass('cow', predicate((x) => x is String, "an instance of String"));
     });
   });
+
+  test("Feature Matcher", () {
+    var w = new Widget();
+    w.price = 10;
+    shouldPass(w, new HasPrice(10));
+    shouldPass(w, new HasPrice(greaterThan(0)));
+    shouldFail(w, new HasPrice(greaterThan(10)),
+        "Expected: Widget with a price that is a value greater than <10> "
+        "Actual: <Instance of 'Widget'> "
+        "Which: has price with value <10> which is not "
+        "a value greater than <10>");
+  });
 }