New expectation functions plus convert old tests to use these.

samples/tests/samples/lib/util/util_test.dart

Index: samples/tests/samples/lib/util/util_test.dart
===================================================================
--- samples/tests/samples/lib/util/util_test.dart	(revision 8345)
+++ samples/tests/samples/lib/util/util_test.dart	(working copy)
@@ -14,32 +14,32 @@
   test('insertAt', () {
     var a = [];
     CollectionUtils.insertAt(a, 0, 1);
-    expect(a).equalsCollection([1]);
+    expect(a, orderedEquals([1]));
 
     CollectionUtils.insertAt(a, 0, 2);
-    expect(a).equalsCollection([2, 1]);
+    expect(a, orderedEquals([2, 1]));
 
     CollectionUtils.insertAt(a, 0, 5);
     CollectionUtils.insertAt(a, 0, 4);
     CollectionUtils.insertAt(a, 0, 3);
-    expect(a).equalsCollection([3, 4, 5, 2, 1]);
+    expect(a, orderedEquals([3, 4, 5, 2, 1]));
 
     a = [];
     CollectionUtils.insertAt(a, 0, 1);
-    expect(a).equalsCollection([1]);
+    expect(a, orderedEquals([1]));
 
     CollectionUtils.insertAt(a, 1, 2);
-    expect(a).equalsCollection([1, 2]);
+    expect(a, orderedEquals([1, 2]));
 
     CollectionUtils.insertAt(a, 1, 3);
     CollectionUtils.insertAt(a, 3, 4);
     CollectionUtils.insertAt(a, 3, 5);
-    expect(a).equalsCollection([1, 3, 2, 5, 4]);
+    expect(a, orderedEquals([1, 3, 2, 5, 4]));
   });
 
   test('defaultString', () {
-    expect(StringUtils.defaultString(null)).equals('');
-    expect(StringUtils.defaultString('')).equals('');
-    expect(StringUtils.defaultString('test')).equals('test');
+    expect(StringUtils.defaultString(null), isEmpty);
+    expect(StringUtils.defaultString(''), isEmpty);
+    expect(StringUtils.defaultString('test'), equals('test'));
   });
 }