Make Map.keys/values Iterables.

editor/tools/plugins/com.google.dart.tools.core_test/src/com/google/dart/tools/core/internal/model/testsource/CoreRuntimeTypesTest.dart

Index: editor/tools/plugins/com.google.dart.tools.core_test/src/com/google/dart/tools/core/internal/model/testsource/CoreRuntimeTypesTest.dart
diff --git a/editor/tools/plugins/com.google.dart.tools.core_test/src/com/google/dart/tools/core/internal/model/testsource/CoreRuntimeTypesTest.dart b/editor/tools/plugins/com.google.dart.tools.core_test/src/com/google/dart/tools/core/internal/model/testsource/CoreRuntimeTypesTest.dart
index 0a882bcfc3885107d5e9c50c29d9802ca01cb365..e3a8b66efb3aad462323ccc21e60e9fd6044d21e 100644
--- a/editor/tools/plugins/com.google.dart.tools.core_test/src/com/google/dart/tools/core/internal/model/testsource/CoreRuntimeTypesTest.dart
+++ b/editor/tools/plugins/com.google.dart.tools.core_test/src/com/google/dart/tools/core/internal/model/testsource/CoreRuntimeTypesTest.dart
@@ -217,15 +217,15 @@ class CoreRuntimeTypesTest {
 
     assertEquals(d.remove('c'), null);
     assertEquals(d.remove('b'), 2);
-    assertEquals(d.keys, ['a']);
-    assertEquals(d.values, [1]);
+    assertEquals(d.keys.single, 'a');
+    assertEquals(d.values.single, 1);
 
     d['c'] = 3;
     d['f'] = 4;
     assertEquals(d.keys.length, 3);
     assertEquals(d.values.length, 3);
-    assertEquals(d.keys, ['a', 'c', 'f']);
-    assertEquals(d.values, [1, 3, 4]);
+    assertEquals(d.keys.toList(), ['a', 'c', 'f']);
+    assertEquals(d.values.toList(), [1, 3, 4]);
 
     var count = 0;
     d.forEach(function(key, value) {