Get rid of minified tests.

test/pretty_print_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.
 
 library matcher.pretty_print_test;
 
+import 'dart:collection';
+
 import 'package:matcher/matcher.dart';
 import 'package:matcher/src/pretty_print.dart';
 import 'package:unittest/unittest.dart' show group, test, expect;
 
+class DefaultToString {}
+
+class CustomToString {
+  String toString() => "string representation";
+}
+
+class _PrivateName {
+  String toString() => "string representation";
+}
+
+class _PrivateNameIterable extends IterableMixin {
+  Iterator get iterator => [1, 2, 3].iterator;
+}
+
 void main() {
   test('with primitive objects', () {
     expect(prettyPrint(12), equals('<12>'));
     expect(prettyPrint(12.13), equals('<12.13>'));
     expect(prettyPrint(true), equals('<true>'));
     expect(prettyPrint(null), equals('<null>'));
     expect(prettyPrint(() => 12), matches(r'<Closure(: \(\) => dynamic)?>'));
   });
 
   group('with a string', () {
@@ skipping 163 matching lines @@
     test("that's under maxItems", () {
       expect(prettyPrint({'0': 1, '2': 3, '4': 5, '6': 7}, maxItems: 4),
           equals("{'0': 1, '2': 3, '4': 5, '6': 7}"));
     });
 
     test("that's over maxItems", () {
       expect(prettyPrint({'0': 1, '2': 3, '4': 5, '6': 7}, maxItems: 3),
           equals("{'0': 1, '2': 3, ...}"));
     });
   });
+  group('with an object', () {
+    test('with a default [toString]', () {
+      expect(prettyPrint(new DefaultToString()),
+          equals("<Instance of 'DefaultToString'>"));
+    });
+
+    test('with a custom [toString]', () {
+      expect(prettyPrint(new CustomToString()),
+          equals('CustomToString:<string representation>'));
+    });
+
+    test('with a custom [toString] and a private name', () {
+      expect(
+          prettyPrint(new _PrivateName()), equals('?:<string representation>'));
+    });
+  });
+
+  group('with an iterable', () {
+    test("that's not a list", () {
+      expect(prettyPrint([1, 2, 3, 4].map((n) => n * 2)),
+          equals("MappedListIterable:[2, 4, 6, 8]"));
+    });
+
+    test("that's not a list and has a private name", () {
+      expect(prettyPrint(new _PrivateNameIterable()), equals("?:[1, 2, 3]"));
+    });
+  });
 }