dart2js: run dartfmt on tests

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 3d43f5d0b39ec67e51270fd3174f20d288a54eb1..22ab8ba5ffba1203d89fbe8b0b25576c8da4a6b7 100644
--- a/tests/compiler/dart2js_extra/deferred/deferred_class_test.dart
+++ b/tests/compiler/dart2js_extra/deferred/deferred_class_test.dart
@@ -13,7 +13,9 @@ isError(e) => e is Error;
 
 main() {
   var x;
-  Expect.throws(() { x = new lib.MyClass(); }, isError);
+  Expect.throws(() {
+    x = new lib.MyClass();
+  }, isError);
   Expect.isNull(x);
   int counter = 0;
   asyncStart();
@@ -36,6 +38,8 @@ main() {
   });
   Expect.equals(0, counter);
   Expect.isNull(x);
-  Expect.throws(() { x = new lib.MyClass(); }, isError);
+  Expect.throws(() {
+    x = new lib.MyClass();
+  }, isError);
   Expect.isNull(x);
 }