More test fixes.

tests/compiler/dart2js_extra/deferred/deferred_class_test.dart

Index: tests/compiler/dart2js_extra/deferred/deferred_class_test.dart
diff --git a/tests/compiler/dart2js_extra/deferred/deferred_class_test.dart b/tests/compiler/dart2js_extra/deferred/deferred_class_test.dart
index 1486e75fe0718fcd845e4a30e46bf08e23c2f1b3..c3ec28a70cd058adfc248d51d669bc556fba6270 100644
--- a/tests/compiler/dart2js_extra/deferred/deferred_class_test.dart
+++ b/tests/compiler/dart2js_extra/deferred/deferred_class_test.dart
@@ -10,6 +10,24 @@ const lazy = const DeferredLibrary('deferred_class_library');
 
 isNoSuchMethodError(e) => e is NoSuchMethodError;
 
+class Expect {
+  static void isTrue(x) => expect.equals(true, x);
+  static void equals(expected, actual) {
+    if (expected != actual) {
+      throw "Not equal. Expected: $expected. Got: $actual";
+    }
+  }
+  static void throws(fun, [test]) {
+    try {
+      fun();
+    } catch (e) {
+      if (!test(e)) throw "doesn't satisfy exception test";
+      return;
+    }
+    throw "didn't throw";
+  }
+}
+
 main() {
   var x;
   Expect.throws(() { x = new MyClass(); }, isNoSuchMethodError);