Format all tests.

tests/language/checked_setter2_test.dart

Index: tests/language/checked_setter2_test.dart
diff --git a/tests/language/checked_setter2_test.dart b/tests/language/checked_setter2_test.dart
index f6606bf6a1feced4ebea6a443f74bf30ba58c59c..970d505b282c0e4bb070ba1e8af707a0abe0c756 100644
--- a/tests/language/checked_setter2_test.dart
+++ b/tests/language/checked_setter2_test.dart
@@ -10,11 +10,9 @@ class A {
   C<int> c;
 }
 
-class B extends A {
-}
+class B extends A {}
 
-class C<T> {
-}
+class C<T> {}
 
 var array = [new B()];
 
@@ -30,4 +28,4 @@ main() {
   if (inCheckedMode) {
     Expect.throws(() => array[0].c = new C<bool>(), (e) => e is TypeError);
   }
-}
+}